With the vehicle on a level surface and the transmission in neutral at operating temperature, perform the steps below. Posted September 23, 2011. One model has a shallow sump pump and the other has a standard size. Fluid pressure is fed from shift valves C, D, and E to C, D, and E switches, and from the manual valve to the reverse switch. 19. Unless you think the fluid has been contaminated there is no reason to change it. 0000020018 00000 n Careers Our News Depending on your driving conditions etc. 0000018993 00000 n But that amount is not that much and equals roughly 1 pint. 11.22.2016. For a better experience, please enable JavaScript in your browser before proceeding. I would take a sample and send it to an oil testing company for analysis before anything else except perhaps changing the filter. You shouldnt try and see how long you can go without changing your oil or replacing your fuel filters. (Helpful Guide), What Is Freightliner J1587 Code? 48RE - 14.5-16.5 Qt (14-16L) 45RFE/545RFE - 14.8-16.9 Qt (14-16L) 68RFE - 16.4-17.5 Qt (15.6-16.6L) 68RSC/AISIN - 13.74 Qts. Fluid Capacity Specifications Allison 1000. While You . Posts. It has the information you want to know about so you can maintain your transmission correctly. This logic indicates the current transmission operating range to the TCM. The 4 speed has a capacity of 13.5 US quarts while the 5 speed has 12.7 US quarts. (Ford V10 Turbo Kit Options), What Sealant Can I Use On a TPO Roof? Now, I'm here to help with any questions you might have about Allison transmission fluid recommendations, TranSynd, filtration, DEXRON-III, DEXRON-VI, engine oils, oil analysis, etc. (Gear ratios do not include torque converter multiplication), Copeland International, Inc. Only Allison Approved transmission fluids are formulated for the unique components of an Allison Automatic. All Rights Reserved. L5P Duramax Maintenance Schedule & Service Intervals. DmaxStore has put together this great package for our members to correctly service their Allison transmission. The main filter may be the source of a 2-quart fluid loss while the lube filter may be responsible for up to 8 quarts of lost fluid (1.9 & 7.6 liters respectively). Used Parts (13L) NV5600 - 6.75 Qts. A forum community dedicated to Chevrolet and GMC diesel truck owners and enthusiasts. 0000002151 00000 n How To Open Pop-Up Camper Without Crank (Raise Broken Pop-Up), 3.31 vs 3.55 Axle Ratio: Difference Between 3.31 And 3.55, What Is the ACTIVE Network Credit Card Charge? ]L #%XxD]Hs5qEXp`@&%DkC'GO,18L[] RH,fKvM]514|=u`HlMh *(~4V_nI.M)z@ M1lM0jX[+rLi"yH0)`P6.,rhl\G[YL%%O ^2d^hTa$`@F}&;0X* PM[q}Fm. If only fluid and filter were changed, add 5.0 L (10.6 pts.) 0000007069 00000 n The transmission fluid capacity for the 2005 Chevrolet Silverado 2500HD iS7.8 pints for the manual and 7.7 quarts for initial fill and 13.5 quarts for total fill for the 4-speed automatic and 7.4 quarts for initial and 12.7 quarts for total for the 5-speed automatic. So I called the local Chevy dealer who said 7.4 qts. Replacements & Returns, Copyright 2023 TDX Ltd. (6.5L) NOTE:Must add 2 additional quarts of Manual Transmission Fluid through the shifter after its filled to the factory fill plug. If the transmission was completely overhauled or the torque converter was replaced or drained, add 7.7 L (16.3 pts.) When the transfer case fluid was changed it mistakenly had the Auto Trak II fluid put in it. The transmission shift selector display screen will display one of the following messages. As I've had the dealer change the fluid when I bought the truck in 2015, it's the first time for me changing the tranny fluid/filter. As fluid temperature increases, so does the fluid level. DEF Fluid Capacity: 5 Gallons: Cooling System Capacity: 25.4 quarts or 24 Liters: . Allison 2000 Series, On-highway, light commercial transmission. 19. The newer transmission fluid has some long life, not like 30+ years ago. It is called TES 668. It is best to check and keep to the schedule so you do not drive with a worn-out filter and risk damaging the transmission. What are the fluid capacities of 2007 chevy 2500 hd truck with a duramax diesel/allison trans.1st-oil filter . 0000605624 00000 n The Allison Transynd fluid replacement schedule is 150,000 miles OR 4,000 hours OR 48 months whichever comes first for general specs. Oil capacity is just one of many. If you're going to deviate from Dex-IV pick and TES 668 fluid and sleep happy. Click here to see the whole list and you will notice there are several links to click for specific transmissions. You should get 17 and 19 quarts inside the transmission depending on the fluid pan used for your particular model. Colorado. I have a 2001 2500HD with the 8.1 liter and Allison transmission. Everything you need is listed below. 19. 7200 Ertel Lane The charts and calculator we provided will be a great help to you. See, www.allisontransmission.com/my-allison/customer. . The key to keeping your transmission running at top levels is to make sure to make those fluid changes regularly and on schedule. You may get tired of hearing this, but there are three good sources for knowing your Allison transmission fluid capacity. Taking care of your transmission is essential if you do not want to have major overhaul expenses a few years down the road. View online or download Allison transmission 2500 RDS Service Manual. When you refill the transmission with fluid, it should only handle about 10.6 quarts or 10 liters. Facebook All switches and their locations are identified in Figure 22. A standard pan takes 17 quarts while the 2-inch deeper pan should only take 19 quarts. You can also visit our Fluid Capacity & Recommendations for the L5P resource to find out what type of fluid and oil you need. Listed below are GMs recommended maintenance schedule for trucks that are driven under normal conditions. 0000011445 00000 n (TPO Roof Sealant), What Is The Cummins Fault Code SPN 3031 FMI 9? Much is contained in the transmission cooler, cooler lines, and torque converter. 0000010115 00000 n If true, then it may be a good thing as you are getting more of the old fluid out of the mechanism and more new fluid inside. The explanation for this situation is that since the transmission has been sitting idle, more of the old fluid drained down into the pan. Allison Transmission 5000, 6000, 8000, 9000 SeriesOff-Highway Transmissions Commercial Electronic Controls 2 (CEC2) TS3353EN Troubleshooting Manual [PDF] 12Mb: Download: Allison Transmission DDEC IV Application and Installation Manual [PDF] 2.8Mb: Download: Allison Transmission HT, HTB, CLT, CLBT 700 Series Service Manual [PDF] 1.4Mb: Download ( E$VM avQ-:OZ[FZGXUJQ]NfHwp; YQ!n#4(30FW4h|MX4Q34kq[0hM^4hJHy(#ylB~ M7)" tSIP{`;z22C^Vml|A+o. Luckily, this can be addressed by following the proper L5P Duramax Maintenance schedule. If you want that capacity in liters, then you are looking at 28 liters for the deeper pan and 25 for the shallower or regular pan. Engine, Transmission, Front and Rear Differentials, and the Transfer Case. Park the vehicle on a level surface and apply the parking brake. If You want to know what the transmission fluid capacity is on the 2003 Chevrolet Silverado 2500HD, then look no further. 6L90 Transmission Fluid Capacity. But this promise doesnt end after the transmissions are sold. There are more fluids in your vehicles that you need to be concerned about. The capacity has not changed in the last few sentences. It will take about 30 - 90 minutes depends on your skill level and might save you up to $200 depends on the region you live in. What are the fluid capacities for a 2004 Chevrolet 2500HD 6.6l Diesel? With the shallow sump pump, you can expect to put in12.7 quarts or 12 liters the first time. Shift the transmission to neutral (N) and shut down the engine. The final source will be a top mechanic that you trust. The recommended type is synthetic gear oil with GM part number 12346190 for the manual and Dexron VI for the 4 and 5-speed . Initial Fill : 12.0 liters (12.7 qts) Refill : . As with all automobiles, proper maintenance plays a crucial role in increasing the useful life of your truck. 0000008692 00000 n Check and adjust the fluid level using the procedures under "Checking the Fluid Level". Allison Transmission TES 295 Approved Fluids are approved for use in Allison 1000 Series, 2000 Series, 3000 Series, 4000 Series and H 40/50 EP on-highway products.. Allison recommends that customers using TES 295 Approved Fluid consider Allison's newest fluid spec, TES 668 , for their next service.. To purchase an Allison approved fluid, use the Sales + Service Locator . Privacy Policy, Buy oils, filters and other consumables online, Output engine Torque Nm (lb-ft): 780 (575), Torque converter: One stage- three element- polyphase. Deep pan should also make its way to sticky, along with engine oil with and without filter And coolant capacities. (Data Link Troubleshooting), How Many Quarts Of Transmission Fluid Does an Allison 1000 Take?, Allison 1000 Transmission Fluid Capacity, What Kind Of Transmission Fluid Does Allison 1000 Take?, How Often Should You Change Allison 1000 Transmission Fluid?. Dex-VI does not appear to be on that list of fluids. 12.68 US qt. I don't know if this has changed from previous models to your 2015. Allison has created a fluid and filter calculator to help you find the right amount of fluid to add to your specific Allison transmission. Allison Approved Fluids that are synthetic based offer improved viscosity that other fluids cant offer. When you purchase one of the products from the links below, we receive a commission. Includes standard integral damper which is operational in lockup. Thanks for your support! . The transmission fluid ensures that Your cars vital components stay lubricated to provide You with optimum performance and maintenance. After replacing the transmission fluid or changing the filter(s), it is important to check the fluid level cold to determine if the transmission has a sufficient amount of fluid to be safely operated until a hot check can be performed. Careers / HR The standard sump pump on the Allison 1000 transmission takes 14.8 quarts or 14 liters of fluid on the initial fill. External Transmission Filter: 29539579 TF950: Allison 29539579 ACDelco TF950: Internal Transmission Filter: 29542833: ACDelco 29542833: . It was designed to replace the older four-speed automatics . Do not overfill the transmission. Automatic to drain and refill using Dexron type 3 fluid. The company seems to have two sets of approved fluids for you to use. Includes standard integral damper which is operational in lockup, Allison 4th Generation Electronic Controls with closed loop adaptive shifts. Operating a transmission with the fluid level higher or lower than recommended can result in transmission damage. The HOT RUN band is between the HOT FULL and HOT ADD marks. When you change your oil, check components like your air filter to make sure they are still okay. That is what you have to be cautious about and if you have any questions just talk to your mechanic or refer to your owners manual. It is best to stick to the top brands when it comes to your transmission. Transmission: Fluid capacity: Fluid type: . The amount of transmission fluid you will need to fill up the fluid tank depends on the size of the pan. Shift from DRIVE to NEUTRAL, and then shift to REVERSE to fill the hydraulic system. Go with the source you trust the most and make sure to follow all instructions if you are going to do the fluid addition or change yourself. The recommended transmission fluid is the fully synthetic DEXRON ViATF automatic transmission fluid. Theyre very powerful and capable, but theyre also very vulnerable to poor fuel quality. Read our table of Duramax fluid capacities here at Hot Shot's Secret. 10.82 UK qt. Output Engine power Kw (hp): 224 (300) Output engine Torque Nm (lb-ft): 780 (575) Gross Vehicle Weight KG: 15000. Allison 4th Generation Electronic Controls with closed loop adaptive shifts. All the information we published came from their website. The TES 439 option is for all Allison transmission series from 5000 to 9000. If the fluid level is within the COLD RUN band, the transmission may be operated until the fluid is hot enough to perform a HOT RUN check. xb```b``yADX,3-@J2jwWM[2 ,Y"rUK-\r4&kISE7,Yj"T&-(bdyL^`&::FG`` iiP0Yib]$ ,XN2O @BKf00O`iaZ W Good maintenance habits help prevent costly repairs and they do not take up a lot of time. SINgLE DIgIT DOUBLE DIgIT Use the fluid & filter calculator to help guide your fluid changes or additions. Marvin the Mechanic. While our guide will give you the manufacturers recommended fluid capacity for the L5P Duramax, you always need to check your dipsticks and tank levels. Fill the transmission with fresh transmission fluid and check the fluid level. Specifications - ALLISON 2500. Torque converter: One stage- three element- polyphase. Accounts / Admin Free 800.966.9860. Insert the dipstick into the tube and remove it. It all sounds like a lot but RV transmissions are not the same as car or truck transmissions. They should have the specs for all the models they sell and tell you about different top fluid brands you should use. 6-Speed Allison Transmission: VIN Identification: (8th Digit of VIN) 8: Displacement: 403 Cubic Inches or 6.6 Liters: . 2. As long as there is no excessive wear inside from high miles or neglect, a good 5-speed Allison can hold about 100 more horsepower than stock. It doesn't matter. Please keep in mind your situation may call for more frequent maintenance than what is listed below. Anything you choose should meet or exceed OEM standards. Use them to guide the maintenance of your Allison transmission. Then for filters, it is the same amount of time. What are the fluid capacities for a 2004 Chevrolet 2500HD 6.6l Diesel? The first is to check your owners manual to see what the manufacturer says. The TES 389 requirements under the same condition are 12,000 miles, 6 months, or 500 hours. Do not mix types and brands of fluid, because of possible incompatibility. The latest figures we could find stop at the TES 295 and 389. Add fluid or oil if you are at or below the fill or minimum mark. This page was generated at 09:41 PM. Drain and fill 5 & 6 speed Allison 1000 & spin on 7.4 Quarts. On the transmission shift selector, press the up and down arrow keys simultaneously. The Duramax 6.6L turbo-diesel with Allison Transmission, such as in the Silverado, has the best towing capacity and excellent . We have not found any specs for the new TES 668 fluid. Houston, Tx 77040, Phone 713.466.9838 If your running MAG-HYTEC trans pans its brings the total capacity to 10 1/2 qts, the Allison deep pan brings the total to about 10 qts and the rear diff cover brings the total to 8 qts. Fluid foaming and aeration cause transmission overheating and erratic shifting. Remove the dipstick tube cap. Allison has developed a Fluid + Filter Calculator, which provides change interval information. While the deeper pan should only hold 19 quarts. drive gear rating (continuous operation) Using one PTO: 930 Nm. If they are honest, and not all mechanics are, then you should get the capacity plus information on good transmission fluid brands even if they are not famous. The chart below shows general L5P Duramax maintenance and service intervals. To learn more about this topic and how important it is, just continue to read our article. If your dash light comes on for something needing to be serviced, service your truck as soon as possible. There will be occasions where you may have to put more fluid inside this transmission. Check the allison manual. Shift to NEUTRAL and allow the engine to idle at 500 to 800 rpm. Sign In Upload. 0000580844 00000 n If you want that capacity in liters, then you are looking at 28 liters for the deeper pan and 25 for the shallower or regular pan. Total using two PTO's: 1595 Nm. Watch how regular fluid changes with Allison Approved Fluids can help extend the life of your transmission. Don't Miss Out on Our Gen-Y Hitch GIVEAWAY! it may vary. Of course, when you refill your transmission, the dipstick is the final authority on how much you put inside the transmission. This quirk will give you some temporary hard jolts at first. These sources are the same for other fluids as well. Deep pan 3 quarts more than shallow pan. Take a few minutes to get up to speed on this topic. We reinstalled our PPE deep transmission pan and torqued the bolts to 20 ft-lbs. This will depend on the type of fluid you are running in your transmission. Depending on your driving conditions etc. I think the regular fluid life is spec'd at 1/2 of that. Properties Of Advanced Automatic Transmission Fluid. Example: oL HI 1 indicates 1 quart of fluid above the full "1" transmission level. The Allison 1000 series transmission is a 6-speed automatic transmission with a maximum torque capacity of up to 1850 lb-ft. Allison 6 speed - 7.4 quarts service refill, 12.7 quarts total capacity GM-Allison 10 speed - 20.6 - 22.1 quarts total capacity . Before Starting. Do not fill over the max line on a reservoir, tank, or dip stick. CHECK TRANS Light. There are two different Allison 1000 transmissions in operation. The DEXRON VI improves and maintains the performance of older GM vehicles. 0000019789 00000 n You can find that calculator at this link. But I do need to know the capacity for the shallow pan with both filters. 52 0 obj <> endobj xref 52 43 0000000016 00000 n There is a lot more to car care than you realize. Check that the sump temperature is 160 to 200F (71 to 93C). When the valve sticks TCM detects that the pressure sensor doesn't change the status and sets the trouble code P0872- after that the gearbox switches to the failsafe mode. About Us Hello paige farrar: Depending on the transmission the fluid and capacity is as follows. 0000001649 00000 n 18. 1 o'clock position: 1.00 x engine speed. Just follow instructions and you should get the right results for your transmission. Privacy Statement, Legal Notices and Terms. If you use Dexron-VI or other transmission fluid, you are looking at 12,000 to 50,000 miles or 500 to 2000 hours of operating time. See. Profitable Foundation Drilling in 3 Steps, Why Choose Allison Transmissions for Material Handling Equipment, Construction Safety: Material Handling Operations, Benefits of Allison Transmissions in Material Handling Equipment, Selecting the Best Material Handling Equipment, rebuilt allison transmission for oilfield equipment, Rebuilt Allison Transmissions for Haul Trucks, rebuilt allison transmissions for heavy equipment transporters, CONTACT YOUR ALLISON REPRESENTATIVE FOR THE DETAILS, [C = Converter mode (lockup clutch disengaged); l = lockup mode (lockup clutch engaged)], Communication Protocol Engine/Vehicle Systems Interface, Torque converter turbine-driven spur gear, Six-bolt, 3 oclock and 9 oclock positions (as viewed from rear), PTO drive gear rating (continuous operation), Acceptable full-load engine governed speed:2200 3800* rpm, Acceptable engine idle speed range (with transmission in drive): 500 820 rpm, Maximum output shaft speed at 105 km/hr (65 mi/hr): 4500 rpm, Description: Non-zero-crossing square wave 8, 16 or 40 pulses per revolution of transmission output shaft. You can use any brand that makes and sells the TES 668. That situation usually arises when your RV, etc., has been sitting for a while. Also, Allison has created a page of the best transmission fluids to use on their transmission. Allison 3000 transmissions can hold approximately 29 quarts of fluid; the larger Allison 4000 can hold approximately 48 quarts. 0000009049 00000 n 0000594149 00000 n How to Service a Transmission on a 2014 Chevy . Run the engine until the transmission fluid reaches the operating temperature of 160 to 200F (71 to 93C). 386. (Ford V10 Turbo Kit Options), What Sealant Can I Use On a TPO Roof? 0000013537 00000 n Chevy Silverado 2500HD. 07 2500hd allision transmission 25-30 degress vehicle wont. The standard sump pump on the Allison 1000 transmission takes 14.8 quarts or 14 liters of fluid on the initial fill. DRIVETRAIN INTERFACES. 2023 Copeland Allison Transmissions . I have a MD3000MH transmission in my Horizon and drained it via drain plug and removed the filters to replace them. To learn more about this important topic, just continue to read our article. There are 3 main problems related to valve bodies of Allison 1000/2000/2400: 1. With the engine running at idle, remove the dipstick from the tube, then wipe the dipstick clean. 0000002309 00000 n 0000018946 00000 n This link gives you all the information you need, including parts numbers, fluid capacities, and so on. Only Allison Approved transmission fluids are formulated for the unique components of an Allison Automatic. Want to learn more about the latest insights in the diesel industry? Release the arrow keys and wait for a two-minute countdown. 1800 miles, The Best Mail Services For Full-Time RVers, The 10 Best Spring Break Destinations For RVers, What You Should Know About RV Towing Insurance, 4 Embarrassing Things We Did As New RVers, Visit Copano Bay RV Resort On The Texas Gulf Coast, Currently Active Users Viewing This Thread: 1. As such, there is some "head room" in terms of power capacity. All of these products are listed with links to purchase them. The newer transmission fluid has some long life, not like 30+ years ago. Park the vehicle on a flat, level surface. (Refund), Allison 1000 Transmission Fluid Capacity (Helpful Guide), Can You Turbo a Ford V10? You do have to be careful as the transmissions, etc, are designed with certain specs that can only be met with the right fluids. Founder of Diesel Resource and a complete diesel head. If you have a standard transmission the fluid to use is GL 4 gear oil. HIg FLUID LEvEL - "oL" is displayed ( represents "Fluid (Oil) Level Check Mode") followed by "HI" ("HI" represents "High Oil Level") and the number of quarts the transmission fluid is overfilled. While our guide will give you the manufacturer's recommended fluid capacity for the L5P Duramax, you always need to check your dipsticks and tank levels. Copyright Notice Sales & Support Overfilling will force fluid out of the case through the main shaft openings. Of course, their brand is at the top of the list. 2. With the engine idling, remove the dipstick from the tube and wipe it clean. Is 2.46 us quarts of oil. While that does sound like a lot at first, just consider a custom tune can easily add more than 130 horsepower, getting you well into . You should get 17 and 19 quarts inside the transmission depending on the fluid pan used for your particular model. 0000575960 00000 n Yeah will Definitley help when I forget again.lol. bit of problem buying too many trucks. 0000603628 00000 n 0000013038 00000 n VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. extended fluid and filter change intervals are only allowed with an allison approved tes 295 automatic transmission fluid and allison high Capacity Filters. I use only high quality oils and fluids in my trucks. HVT9WKW sF5"U3@4_U -s/3"?~/?_N1%AF()|x#|9|\eR4Sskt:NNzghsjC)%QiR*pKS 44t=II.eI{Ne@. The Allison Transynd fluid replacement schedule is 150,000 miles OR 4,000 hours OR 48 months whichever comes first for general specs. Take the time to do some research to make sure you know how to properly maintain this piece of vital equipment. 0000019145 00000 n Here is the link to those charts and you can use that link even if you have a 200, 3000, or 4000 series transmission. We say that because Allison has its brand of transmission fluid but it is made by Castrol. 1. The Fora platform includes forum software by XenForo. 0000005941 00000 n Nowhere in my 2005 Chevrolet 3500 owners manual does it give me (that I could find) the capacity for the Alison transmission coupled with the 6.6 turbo diesel. I spoke to a mechanic at the GM dealership and he suggested . Now that you know when you should complete general maintenance tasks on your truck, you need the parts and fluids to keep your truck in tip-top shape! Freight Info It will take about 30 - 90 minutes depends on your skill level and might save you up to $200 depends on the region you live in. Marketing & Dealer Support, Unearthed Magazine Diagnosis. 2023 Diesel Resource | All rights reserved. Allison has created several charts for this and the information goes beyond the Allison 1000 transmission. Although we can use the DEX-IV it's an Allison transmission, and we should use what Detroit Diesel covers though warrant. Make Kamil's day and share it with a buddy! Includes standard integral damper which is operational in lockup. In this case, you may see an additional 2 or 3 quarts put inside the pan. Make sure to use the right fluid in your transmission as these modern pieces of equipment are more finely tuned than older cars and trucks transmissions. They work on these transmissions and know exactly what they need. YouTube 0000019224 00000 n Do not fill above the COLD RUN band if the transmission fluid is below normal operating temperature. This practice should help extend the life of your transmission. The filters should be changed sooner than those figures with a respective 75,000 and 25,000 miles under general conditions. Answered by GM Tech . The transmission is designed for use in trucks with a Gross Vehicle Weight (GVW) of up to 26,000 lbs. Sticking E-shift. Auto Allison Fluid and Filter Change (M74) 7.0 liters. Acceptable engine idle speed range (with transmission in drive): 500 - 820 rpm. Acceptable full-load engine governed speed: 2200 - 3800* rpm. I was the former Transmission Fluids Engineer at Allison Transmission from 1990-2009 when I retired. Check the fluid level reading and repeat the check procedure to verify the reading. Some of the products that You can use are . Kit includes: 2 Gallons of Allison Transynd synthetic fluid- (We have found this fluid . There seem to be 2 types of Allison 1000 transmissions installed in different vehicles. The charts listed below are based off of GMs recommended L5P Duramax Maintenance and Service schedule. LML Silverado 2500HD & Sierra 2500HD Towing. May 29, 2009. For a fluid change, it is between 75,000 to 150,000 miles or 3,000 hours of operating time. At Allison Transmission, quality isnt just a goal. There are two fluid levels when it comes to Allison 3000 transmissions. Plus, it is the approved synthetic fluid for all of its transmission series between 1000 and 4000. (Refund), Allison 3000 Transmission Fluid Capacity (Oil Type and Tips), Can You Turbo a Ford V10? Off brands may be cheaper but the lower cost may only help your budget and not the transmission. Its content provides you with important information when your RV is equipped with an Allison 3000 transmission. Automatic transmission fluid oil capacity for the following Chevrolet car model 2500, 1500/2500/3500, Acadia (GMC), Acadia (GMC) Limited, Astro, Avalanche, . 0000012969 00000 n https://www.youtu. Duramax Fifth Generation: 2011-2016 (LML), https://my.chevrolet.com/content/darado HD & Sierra HD-Duramax-Diesel-Manual.pdf, http://www.dieselplace.com/forum/6341097-lml-faq-frequently-asked-questions.html, Duramax First Generation: 2001-2004 (LB7), Duramax Second Generation: 2004.5-2005 (LLY), Fuel System, Air, Exhaust & Emissions Upgrades. Under severe you are looking at needing a change at 75,000 and 12,000 miles. Apply the parking brake and chock the rear tires. You also have to be concerned about power steering fluid, brake fluid, and also transmission fluid. 0000601811 00000 n 2020 GMC Sierra SLT 3500 CC/SB L5P 3/14/20 Payload 3726lbs. Do not allow foreign matter to enter the transmission. I really doubt the A/T fluid needs changing unless you see evidence of contamination in the fluid. 0000012695 00000 n
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