Transmission service kits are available from your local auto parts store, they … consist of a gasket and filter and sometimes a new seal for the filter. I would stick with the Transynd. Excessive heat is by far the number one killer of all automatic transmissions, and this transmission is no exception. Shift firmness can be adjusted with the push of a button, so the driver can adjust shift feel in a matter of seconds. It also relies on adaptive technology which integrates the transmission with the engine control module to continuously monitor driver input and calculate ideal shift strategies for the particular driving conditions. This information can be found in your owner's manual. With the engine running, remove the fluid level indicator from the fill tube and wipe the indicator clean.
Improper grounding can also cause them to malfunction. When the air bag light comes on, you should drive directly to the dealer and get it fixed. If it is a blocked cooler line, how would I check that and what's the fix for it? They either develop an internal short, or end up with a break in the internal wiring that makes up the electrical magnet in the solenoid. The ones I have worked on just take regular gear oil, 75w90 or 85w90. The main thing is you want to take your time, do your research, and really monitor how much new fluid you put in. Mainly in traffic around town.
If it has Allison's transynd in it, I would typically change the spin on filter once a year, then send an oil sample in to Allison through an authorized Allison transmission dealer. When we shut it down for the day, the tranny temps were just over 200. Rather than becoming outdated, the Allison has evolved to match the performance characteristics and demands of the Duramax turbodiesel, which has undergone significant changes itself through the years. Clutches and bands will sometime slip in server instances, creating excessive heat. Here are a few recommended upgrades: Fluid upgrade:. My rig's identical and has now done 137k kilometers with no issues whatsoever Except crank position sensor but I did have the transmission serviced at 80k by an Allison trained guy. You should get years of trouble free service and reliability from it as long as you adhere to the information we provide.
The fluid leak may be at the back of the transmission by the vent. So we are placing a new alternator in the car today to correct this issue Answer. Warning: Do Not Overfill it. The six speed model also has dual overdrives, with the second overdrive ratio being rather high. In 2001, the Silverado replaced the C- and K-series trucks altogether.
Check your dipstick, see if it popped out of the grommet. A stock transmission will run with line pressures, somewhere around 90 psi. TranSynd was released in 1999; you can see 2001 press releases about it and mentioning the extended drain intervals that Allison advertised for Allison-equipped motorhomes and rescue equipment running TranSynd. You could have a serious problem. When the trans fluid gets changed take the lines going to the radiator off and blow them out, then blow out the cooler in the radiator. There was also a couple of drops coming from the oil filter on the engine, something I've never seen before; almost like someone didn't tighten it all the way. It wasn't until I filmed everything that I realized I wasn't dialed in.
Additionally, you can buy an aftermarket cooler that comes equipped with its own electrical fan. Long live the Big Block! I pulled loads that everyone said you need a 2500 or 3500 to pull a 24 foot long extra wide all steel 2 axle trailer with the weight you pull and in the mountains a lot up hill, down hill up hill, etc. The transmission probably holds somewhere around 10 to 12 qts of fluid and you only drain 4 to 5 when you drop the pan. Bring the vehicle to a complete stop on a level surface using the service brakes. Always add the additives first that way you don't have to gauge how much fluid to add, or have to drain some out in order to add the entire bottle. Bring the vehicle to a complete stop on a level surface using the service brake. Engage the park pawl by slowly releasing the service brakes.
Filters get clogged over time and restrict the flow of transmission fluid. One time, however, there were several clunks, until I took my foot completely off the gas pedal. It is what routes fluid to particular clutch packs based on which gear your truck needs to be in. High temperature causes the transmission fluid to be discolored or to have a strong odor. Going up hills, the engine times would do about 220-230, and the tranny temps would go past normal 185-ish to a little over 200. Excessive heat, driving conditions and age can destroy the wire harnesses. Valvebody and pump - The valve body, while working with the computer, is essentially the brain of the transmission.
Here is info about the fluid. I followed the vent tube and I don't think it's a vent for the transfer case. I used to design the automated machinery that put car parts together at high rate speeds usually everyone wants 1 product a second. Naturally, this important component was also in need of improvement. I changed my oil yesterday and while I was under the truck I noticed that there still seems to be fluid leaking from the vent tube. The tranny fluid looked fine, and smelled fine, too.
Every 20 degree about this temperature will cut the life span of the transmission by a factor of two. Not a leak in sight, nor any suggestion of a problem. While TranSynd was developed mainly to meet the harsh operating conditions of heavy-duty transmissions in severe operating conditions like transit buses, its benefits translate to the pickup truck market. I checked again today, and there were a few drips, but those may be leftover from yesterday I didn't clean anything yesterday. Long live the Big Block! Deep pan: Install a deep pan. The only drawback with doing this at home is that you only drain aprox half of the trans fluid.
My rig's identical and has now done 137k kilometers with no issues whatsoever Except crank position sensor but I did have the transmission serviced at 80k by an Allison trained guy. At power levels over 600hp, the factory flex plate can crack or break. After that dex-6 is good. Over time it will break down from the many heating and cooling cycles it endures on a daily basis. Still miss that big block! A re-manufactured transmission also comes with a : three years compared to 90 days for a rebuilt transmission.