When purchasing parts for your duramax, be cautious with model years where an engine was phased inout as the incoming engine may have parts that are not interchangeable with the outgoing engine. Common issues and problems we see in the shop with the lb7. Thats why an upgraded diesel performance transmission is the best bet to handle the 1500 lbft of torque that some modified duramax. The dorman 511102 transmission range sensor for your 2001 2004 gm 6. You can lose control of the vehicle if you try to adjust a manual drivers seat while the vehicle is moving. The dorman 511102 transmission range sensor for your 20012004 gm 6.
Dec 12, 2009 allison transmission 2004 chevrolet silverado 2500 hd my allison transmission shifts out fine when driving under normal conditions but when i have to accelerate fast and push the throttle to the floor, the transmission acts like it is slipping and will not stop until i let off of the throttle. Mishimoto universal transmission fluid cooler, 12 x 7. Shop by vehicle gm duramax transmission for duramax. Duramax specializes in automatic and manual transmission repair but we also serve all of your auto repair and maintenance needs. Adjust the drivers seat only when the vehicle is not moving.
Earlier today when i shifted from rev to drive and it hit real hard but operated properlt afterwards. Now after purchasing the truck i would like to give it a small tune up and done so, except for the transmission fluid, because i have no clue what type of fluid to use and cant find the owners manual to look this up. I have a 2004 chevy silverado duramax with a 5 speed allison transmission. Schroeder motors is proud to offer this beautiful 2004 chevrolet silverado2500hd lt crew cab 6. Es exl loaded truck leather diesel lariat fx4 trd hemi fj duramax 2. I have a 2004 chevy 2500 4x4 with the duramax and allison 5. Manual transmission 20012004 lb7 duramax chevy gmc. Duramax diesel 6 speed manual transmission cars mitula. The allison transmissions used in the duramax powered gm trucks have proven themselves over the. Aka neutral safety switch, range sensor, and backup light switch.
Replaced sensor on side of transmission worked for a afte. This first duramax engine mated with gm trucks was coined the lb7 duramax. F f dually dodge cummins gmc duramax chevrolet duramax diesel truck. And im sure you could go in and remove any parameters that pertain to the automatic that you dont want anymore. Diesel power products carries the bd deep sump transmission pan for 0119 6. These trucks are getting older, and it is hitting the point that your 2004 silverado may be having transmission problems. Manual transmission 20012004 lb7 duramax chevy gmc duramax. While today, all duramax trucks are paired with the allison transmission, lb7 duramax trucks also had an available zf 6speed manual transmission option.
Youll find solid flywheels, clutch kits, and more for your duramax. Chevrolet used chevrolet duramax manual transmission. Oem type winterfront 2003 2004 chevy silverado duramax 2500 3500 winter front 1. Find the best used car deals for your search duramax diesel 6 speed manual transmission. Im not going to put the manual transmission os on my ecm right away and it starts and runs fine. They are only two automatic transmissions used in the 2004 2500hd silverados. We are a local, familyowned business and we take pride in our service and competitive prices.
The lly was the first emissions controlled duramax and available mated to the allison automatic 5 speed for 20042005 model years, 6 speed for 2006 model year or the zf 6 speed manual transmission. In 2006, the automatictransmission version of the duramax gets. The 2004 chevy silverado was the 6th model year of the gmt800 platform truck. Ax4s ax4n transmission mlps manual lever position sensor 1998on 10 pin ford. I have a 2004 silverado, v6, with a 5 speed manual transmission. Gmc manual transmission chevrolet diesel chevrolet duramax diesel diesel. Manual transmissions builds and accessories from hsp diesel for chevy duramax lmm 2007.
After stoping, it wouldnt go into rev or any other gear includinf drive. Single disc manual transmission 20012004 lb7 duramax. Details about 4ff 0304 20032004 duramax diesel silverado whole cluster manual transmission. Duramax transmission cooler lineshoses 0405 chevygmc 6. I thought the switch was going bad again, but i replaced it and it did not fix the problem. Either that or you have to small of batteries to crank over a high compession enigne when its cold, with the glow plugs, and heater grid pulling all of the power from the batteries. Auto repair transmission repair call duramax transmissions. When i put the truck in reverse or drive i can feel it go into limp mode. Designed utilizing the latest technology, this product features premium. The 20012006 duramaxs with three pedals came equipped with a zf6 six speed manual transmission, that is similar to the zf6s used in many other. I have a 2004 gmc duramax with allison transmission. Shop manual transmission upgrades for the gm duramax 6. However, as with all transmissions they have their breaking point, no matter how you use it.
Modified chevy or gmc duramax diesel trucks can have a hard time getting every bit of horsepower and torque to the wheels with a factory stock diesel transmission. The 2004 silverado was a carryover from the 2003 model year. After clearing the codes it will shift fine one time but as soon as you let off the throttle it will not downshift and stay stuck in fourth gear. I have a 2004 chevy silverado duramax with a 5 speed. Manual transmissions builds and accessories from hsp diesel for chevy duramax lb7 2001 2004. Used chevrolet silverado 2500hd for sale with photos. The one achilles heel of the lb7 duramax engine is injector failure. Dynomite diesel cummins upgraded injector applications. A manual transmission was optional for these model years, though the 5 speed allison automatic was far more popular and its quite rare to come across a stick shift. The allison transmissions used in the duramax powered gm trucks have proven themselves over the past decade.
Galvanized tailgate support cables may corrode and break. Dynomite diesel injector horsepower ratings and applications. Replacement restores your ability to start the vehicle, and helps. The duramax diesel is not nearly as popular as the duramaxallison combination. Used duramax diesel 6 speed manual transmission cars in. Transmissions and related accessories for 2004 2005 chevy and gmc 6. Below, youll find a ton of troubleshooting your transmission problems.
Why is allison transmission on my 2004 duramax fixya. If youre interested in additional hauling power, you can opt for a gaspowered 8. Transmissions 2004 2005 duramax lly us diesel parts. A fivespeed manual transmission comes standard, with four and fivespeed automatics or a six. 6 duramax lly 6 speed manual transmission power windows power locks tilt cruise. Allison transmission 2004 chevrolet silverado 2500 hd. Producing 235300 horsepower and 500520 lbft of torque, the lb7 duramax was a beast. I just had to leave the nsbu switch in park or neutral and it started and runs just fine. Allison transmission 2004 chevrolet silverado 2500 hd my allison transmission shifts out fine when driving under normal conditions but when i have to accelerate fast and push the throttle to the floor, the transmission acts like it is slipping and will not stop until i let off of the throttle. The sudden movement could startle and confuse you, or make you push a pedal when you dont want to. Manual transmission upgrades for 0405 duramax power driven.
The general motors duramax engine through history truck trend. View this auction and search for other auctions now on the leading online auction platform. I have a 2004 chevy 2500 4x4 with the duramax and allison 5 speed trans. Common issues and problems we see in the shop with the lb7 6. Find the best deals for used chevrolet duramax manual transmission. Xdp carries all the parts and accessories you need for the best diesel performance. Details about 4ff 0304 2003 2004 duramax diesel silverado whole cluster manual transmission. What transmission does my 2004 silverado 2500hd have.
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