If you purchased the truck new from the dealer who is servicing it, then I would talk to the service manager about some warranty help. lost a turbo and water pump at 100,211 miles. Chevrolet 1-800-630-2438 GMC 1-800-996-9463. it was like there was a remote warranty switch, it rolled 100k and the wheels fell off. ALLISON 2000 SERIES. On your allison 1000 series transmission remove and sell the OE gm bellhousing and go buy an OE allison 2000 SAE bellhousing. Allison Transmission 29540491 Front Bellhousing 2001-2007 LB7 LLY LBZ (0) Reviews: Write first review Description: Genuine Allison Transmission 29540491 Replacement Front Bell Housing Usually if this seal is leaking you will find transmission fluid dripping from where the bell housing bolts to the engine block. level 1. I t is a very fine crack hard to notice. Add to compare. And, if a wide area is coated with oil, you may need to use a degreaser (aluminum friendly recommended) to clean it up enough to identify the actual source of the leak. The owners manual calls for. Call for information on custom lengths and applications. AISIAN SEIKI. By logging into your account, you agree to our. $4900.00 good times. Dang thing doesnt work right in cold weather. Open the hood and locate the transmission cooler. took his old lines to a hose/pipe shop and had new rubber lines put on. Places to look are where the dip stick tube goes in (easy) and on the other side where the "alternate dip stick location" now a dead plug is located. This is a picture I was able to take a few minutes ago by crawling under the trans. here is a photo looking UP at the bottom of the transmission. There are two lines with coolant going to every vent in the coach. I was at my final destination so have not needed to travel since. Accordingly, ANYONE WHO USES A SERVICE PROCEDURE OR TOOL WHICH IS NOT RECOMMENDED BY ALLISON TRANSMISSION OR Speaking for myself, we try to give a little slack on 05-06 vehicle because they missed the 07 powertrain warranty. Also drive shaft end and engine end (bell housing). Cause. 1. share. Several times I thought it was the pump or converter seal, it turned out that the boss that is welded to the torque converter that accepts the flywheel bolt would crack. C4 Pan is screw in style. Advertising - Allison 1000/2000 series transmission technical tips T he Allison world series transmissions models 1000,2100,2200,2400,2500 models and variants are found in large variety of truck chassis and busses. capable facility located around FT. Myers, Florida? Lower the vehicle back to the ground. So I know it's somewhat hard to get under the RV but I would look with a flashlight and see if any hoses and other areas look wet too. 2004 3500hd 4x4 120,000 miles. Slide the jack away and off to the side. The Allison transmission 1000 model has a feature called “limp mode”, in which the transmission locks itself into third gear. Allison Transmission (NYSE: ALSN) is the world’s largest manufacturer of fully automatic transmissions for medium- and heavy-duty commercial vehicles and is a … CATERPILLAR. This is a high quality new Allison 1000 2400 transmission bell housing plate pump gasket. Start it up but don't move it and let it idle for a while. ALLISON HD4560P. I had several repairs done to the shifter shaft seal before they finally got it to stop leaking. ... Where would a fuel leak originate on a 04 lb7 that leaks a large amount of fuel from a standard transmission weep hole after the engine is turned off ... .6.6 duramax. If you want to know what your Allison takes you can go to MY ALLISON with your serial number and you can verify all the information. ... the allison transmission was built to pull a house. Hopefully it can be repaired without too much effort. BORG-WARNER. This should build up pressure in the engine and transmission oils. 05 LLY 6.6 Leak from Bell Housing / Trans The truck has 160k on it and is well maintained and clean. Also found in 2001 and up Chevrolet/GMC pickup trucks 2500-3500 chassis. Assume you are keeping the fluid level full until the leak is addressed. Its been a very good truck though. See if there is a "clean oil" trail. So i did a internal and external filter change on my Lb7 today and noticed that there is a small crack on the rear housing of the trans where the t-case bolts up. www.allisontransmission.com/my-allison/customer. That leaves you 1 quart left over. Duramax 6.6 Technical. I saw mine leaking close to the same area but it was transmission fluid. Several times I thought it was the pump or converter seal, it turned out that the boss that is welded to the torque converter that accepts the flywheel bolt would crack. Models include 2500PTS, 2000, MD3060, MT643, AT545, 4500RDS, 1000, HD4560P, 2200 HS, and 2400. Contact Us - You can also call GM customer assistance. rcieslak67, January 30, 2018 in Type A motorhomes. There have been case porosity issues that can lead to fluid contacting the bolt threads and leaking out under the bolt head. I had a mystery leak in a previous coach, it turned out to be the Aqua Hot. ALLISON HT-740RS. Typically, porosity related leaks would begin at low mileage. The fluid leak may be at the back of the transmission by the vent. I would bet a cold beverage it takes 19 quarts. Allison 1000 Pump Housing Gasket | 2001-2018. This information is included on the transmission identification tag located on the right rear side of the transmission case, as shown in Figure 3. Even when Clean, driving will blow the grease back and make it hard to locate the source. Original Poster 4 years ago. I Thought There Was A 100000mile Warranty, Yes leaking lines are an issue. Put a flood light on the trans then take a picture. I will report back as to what is found and how it is repaired. Can you identify the source of the leak? Put a old pan or plate or small bucket under the Transmission and see if it's indeed leaking and report back. I took it in and they found a pin hole in my transfer case. This mode is triggered by anything that could cause severe damage to the transmission, including severe overheating or … • A certified Allison transmission remanufacturing distributor • All transmissions are dyno’d, pressure and leak checked, and load tested • A custom built remanufacturing facility • Large inventory for premium remanufactured swing transmissions • 60 years of transmission experience as an Allison distributor I have seen several Allison transmissions leaking from around the bellhousing area. I have had problems with the tranny for about a year. Allison Transmission Fluid Leak By Blog Post on March 1, 2010 11:00 PM| No Comments During cold weather, a small, red fluid leak may be noticed on some 2001-2010 Silverado and Sierra 2500HD-3500HD series models equipped with the Allison LCT1000 transmission (RPO M74, MW7). Start it up but don't move it and let it idle for a while. Shop our line of gaskets & seals to keep your Duramax transmission ship-shape & operating efficiently | LBZ 06 - 07 Trucks ... Allison 1000 Transmission Bell Housing Dust Shield | 2001-2019. Will crawl under a try to take a picture of what I see. I did just have spend $600 on front wheel bearing assembly. Transmount mounts to the bell housing and the length varies according to the transmission application. Furthermore, heat can cause cracks in the lines creating a leak as well. Like everything else, parts wear out & things break. I t is a very fine crack hard to notice. When the vent hose fills with oil, it appears as if the transmission has a front seal leak. 1999 Model Newell with Allison HD4060 transmission. Or try to find an SAE1 bellhousing and hook a HT740 to it as those are … Buying in the 5 gal pail is lots cheaper than by the quart. Slide the jack away and off to the side. I ordered 2 gallons of the TranSynd tarns fluid from Amazon as they are the lowest priced. It lets out quite a bit of fluid when running also there is fluid coming from on top of the trans towards the front. It woesnt shif out of 3rd gear till it warms. Dealership still cant fix the fukker. Unfortunately, a driver can’t reverse limp mode. I have seen several Allison transmissions leaking from around the bellhousing area. the oil is leaking from the hole at the Bell housing and the silver thingie 6" to the right. Terms of Service - It is much cheaper to retain a customer than to attract new ones. Diagnosis will indicate that the leak is coming from the torque converter housing and pump area. The truck has 160k on it and is well maintained and clean. 2–9 FLUID LEAK DIAGNOSIS ..... 37 2–10 BREATHER ..... 40 2–11 TROUBLESHOOTING ..... 40 2–12 TRANSMISSION STALL TEST AND NEUTRAL COOL-DOWN ... Consequently, Allison Transmission has not undertaken any such broad evaluation. Some are very easy to fix, others require a transmission or chassis shop. CD4E Because the vent on … Several times I thought it was the pump or converter seal, it turned out that the boss that is welded to the torque converter that accepts the flywheel bolt would crack. My Shop Foreman put 4 sets of lines on his truck and he only has 10k on it his is a classic 07. and Just so you know all The new 08-09 Dmax trucks have been showing up too. You will be able to leave a comment after signing in. Places to look are where the dip stick tube goes in (easy) and on the other side where the "alternate dip stick location" now a dead plug is located. Transmission fluid leaking from the front of the transmission bell housing may also be accompanied with shifting and transmission engagement issues. Kill the engine and look at the card board and see where to oil may be coming from. Privacy Statement - The truck developed a transmission leak that originally was dripping out of the inspection hole on the bellhousing ( a small maybe 3” splash area under parked truck after driving). - Noticed a month ago little drips in the fron of the vehicle, crwled under it and sure enough the coolant lines are leaking. One cust. Contact a shop to remove the transmission and replace the cooler. I noticed a really slow drip right where the trans means the back of the engine. Place a piece of card board under the coaches engine and transmission. Lower the vehicle back to the ground. I t is a very fine crack hard to notice. This is often caused by transmission overheating and is the sign of a significant internal transmission problem. You can find the part numbers for the filter kit and much more about your transmission. Assume you are keeping the fluid level full until the leak is addressed. Page 1 of 44. ( 80,000 miles) Made an appt with local GMC to … Allison 1000 Rear Adapter Housing, 4WD, LB7 LLY LBZ LMM 2001-2010 peggy - | 05/13/2019 12:01:00 pm Part was exactly what I needed to replace the other one with. This mode is triggered by anything that could cause severe damage to the transmission, including severe overheating or towing a very heavy load. Copyright © 2021 MH Sub I, LLC dba Internet Brands. Archive - ... the allison transmission was built to pull a house. During cold weather, a small, red fluid leak may be noticed on some 2001-2010 Silverado and Sierra 2500HD-3500HD series models equipped with the Allison LCT1000 transmission (RPO M74, MW7). Hard to make out anything since the photo is into the sun...best if the light is behind you! They are a Allison Dealer and Service. I observed fluid dripping from the drive shaft end of the transmission. ALLISON. Some are very easy to fix, others require a transmission or chassis shop. I guess I've been lucky. Since you really don’t need two vents, simply use a cup plug or set screw to plug the front vent. Funny that just a week ago at the gas station a guy asked if my tranny has been leaking and hes getting screwed becasue he has 103K miles. Inspect the transmission fluid (if it is a milky color, there is a leak). It had a trans fluid leak … Kill the engine and look at the card board and see where to oil may be coming from. The shop confirmed today by using diagnostic tools to look inside the bell housing that the pump is leaking out the seal and gasket, and also the torque converter seal is leaking, and possibly the housing bolts on the converter. If it's the transmission leaking, the fluid level should be showing low at some point in time. OEM Part Number: 121318A Allison Transmission 29540491 Front Bellhousing 2001-2007 LB7 LLY LBZ (0) Reviews: Write first review Description: Genuine Allison Transmission 29540491 Replacement Front Bell Housing ALLISON MD3060. A leak in the fluid lines can also be damaged by debris in the road. Goggle for address and phone #. This Allison takes 5 gallons total full synthetic transmission fluid and at $13.50 a quart it gets pricey. You could try for an MT653 transmission. Mike L's Trans Talk cat_dr. TranSynd full synthetic transmission fluid. It has most likely also leaked into the radiator. ALISSON. • A certified Allison transmission remanufacturing distributor • All transmissions are dyno’d, pressure and leak checked, and load tested • A custom built remanufacturing facility • Large inventory for premium remanufactured swing transmissions • 60 years of transmission experience as an Allison distributor Trucks, Trailers and Transportation - 06 GMC Duramax/ Allison Tranny leaking....Who else ? Feb 20, 2013 ... Have it inspected through the square hole in the driver side of the bell housing. Plug that hole. Sitting still the fluids should drop straight down. 05 LLY 6.6 Leak from Bell Housing / Trans. #2 TRANSMISSION BELL HOUSING. Open the hood and locate the transmission cooler. Browse our inventory of new and used Allison Transmission Truck Components For Sale near you at TruckPaper.com. 2–9 FLUID LEAK DIAGNOSIS ..... 37 2–10 BREATHER ..... 40 2–11 TROUBLESHOOTING ..... 40 2–12 TRANSMISSION STALL TEST AND NEUTRAL COOL-DOWN ... Consequently, Allison Transmission has not undertaken any such broad evaluation. Cookie Policy - BORG WARNER. Contact a shop to remove the transmission and replace the cooler. Loose or broken seals can cause a leak in the transmission as well. Clean the case as well as you can. Transmissions. GM told me to bad. If a vehicle comes into your dealer with a leak from the bell housing area, please add oil dye to the transmission and run it long enough to get the dye to show up before removing the unit. We drove from South Carolina to Pine Island, Florida November 26. inside the top of the bellhousing (figure 6). For more than 100 years, Allison Transmission has continuously discovered new ways to make work easier and more efficient. Place a piece of card board under the coaches engine and transmission. The superficial cause is the failure of the front pump seal of the transmission. Sun State International Truck in Sarasota, FL. I see your from MI and now in FL - me too. ... (USED) AT Allison 2400 Transmission assembly. Do Not Sell My Personal Information -. with the Allison tranny. Believing our customers simply deserve the best, we design and build fully automatic transmissions that deliver premium performance with … 06 GMC Duramax/ Allison Tranny leaking....Who else . I have an appointment for February 28th to have this trans looked at and repaired as it is very difficult to get underneath this coach as the suspension is right there. This drains the transmission fluid pretty fast, so it is best to go directly to the mechanic’s shop if this happens. By Also found in 2001 and up Chevrolet/GMC pickup trucks 2500-3500 chassis. Start date May 14, 2015; Forums. it is all about the same with a really low 1st gear and every other gear is near the same. I will perform a COLD LEVEL check and be sure I have sufficient fluid before moving, even to go to a repair facility. AISIN. IF it's only the transmission that looks wet then maybe it is coming from there but if other areas are wet it might be something else. Allison engineering has completed their investigation of transmission fluid leaks originating from inside the transmission bell housing. I can tell you this - mine looked somewhat like yours does and it was NOT the transmission leaking at all. I AM NOT GETTING ANOTHER DIESEL!!!!! Took a long time to figure out what was going on but after changing out the fan motor now everything is dry and nothing looks like it's leaking like yours does. The fluid leak may be at the back of the transmission by the vent. It is very difficult to crawl under our coach, I noticed the back of the trans is coated with oil and it is leaking from the back as far as I can tell. Even though it’s unlikely, it is possible for your transmission to be leaking from one of the seals where the case is bolted together. Also drive shaft end and engine end (bell housing). Inspect the transmission fluid (if it is a milky color, there is a leak). Seal that leak. As you can see trans is covered with oil and would seem to indicate it has been leaking for awhile. I will post a picture of the trans ASAP. My 04 duramax is leaking from the bell housing. The following errors occurred with your submission. I was told this trans takes 5 gallons, seems like a lot. This condition may be caused by fluid being discharged out of the transmission vent during extreme cold weather (approximately -15°F or -25°C or colder), at which point DEXRON® VI and other conventional transmission … I noticed fluid on the ground at the end of my 1000 trip from Florida back to Tennessee. All rights reserved. This information must be used when discussing specific service issues, or when parts replacement is necessary. Also check the oil cooler and hoses and fittings. Firewall Mount Dipsticks also available in 36" and 48" lengths. Are you positive it's the Allison? AISIN-SEIKI. Report Save. Same bellhousing setup as well for bolting to the 8.3. We purchased 2009 Holiday Rambler Scepter in November. $22.49 . Allison 1000/2000 series transmission technical tips T he Allison world series transmissions models 1000,2100,2200,2400,2500 models and variants are found in large variety of truck chassis and busses. Each transmission is identified by a model designation, group numbers, and serial number. 1) Limp Mode (Allison 1000 Model) The Allison transmission 1000 model has a feature called “limp mode”, in which the transmission locks itself into third gear. Two possible leak points in the pump area may be the two lower converter housing to main housing bolts. I have seen several Allison transmissions leaking from around the bellhousing area. Most economic way to go is a 5 gallon pail of Transynd. I cleaned off the bottom, place the truck on jack stands and ran it in gear for 30 seconds. The fix? We have not moved the MH since and I have noticed a transmission oil leak below the Allison. This should build up pressure  in the engine and transmission oils. New member. The shop confirmed today by using diagnostic tools to look inside the bell housing that the pump is leaking out the seal and gasket, and also the torque converter seal is leaking, and possibly the housing bolts on the converter. I did all my own work as I couldn't afford the shop rates that most places charge. Use of this site indicates your consent to the Terms of Use. The hydraulic fan motor was leaking and spread oil all around the engine and transmission area making it look like they were leaking. And, do a close up of the output shaft (toward transmission from U joint). $3.65 . 8 general motors 2008 automatic transmission kit & components catalog ©2008 parker hannifin corp. all rights reserved 125 972 allison 1000/2000/2400 rwd 5 speed b Accordingly, ANYONE WHO USES A SERVICE PROCEDURE OR TOOL WHICH IS NOT RECOMMENDED BY ALLISON TRANSMISSION OR Does anyone know of a Allison trans repair. I have a 2001 8.1/allison and the lines just started leaking at 127k. Yes, fluid and filter change in an Allison 3000 transmission takes 19 quarts. Allison 6sp: Leaking trans fluid from bell housing Thread starter cat_dr. Like everything else, parts wear out & things break. It has most likely also leaked into the radiator.