Question about 2006 GMC Envoy

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How do you know when to flush your transmission

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There are pro's and con's on that subject. Some want it changed every 3000 miles. Some say never as long as the fluid isn't brown and smells burnt. The reason is that additives in the fluid attack the glue that bonds the friction parts in the transmission causing early failure. Other opinions say it keeps the fluid free of small metal parts that wear, but that's what the filter does. I personally only add fluid when necessary and change the filter every 20 or so miles. I have a 92 Buick Riviera that has 96 thousand miles on it without ever having a transmission problem.

Posted on Jul 24, 2016

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2 Answers

How to flush transmission in 2000 Kia Sportage?.


there are two methods
1-- drop the pan and refill with fresh oil ( 1/2 the oil still left in the torque converter)
2--- take it to an accredited specialist auto transmission shop and have the oil changed while running ---this flushes out the torque converter as well as the transmission
although this method is by far the best if there is water contamination in the transmission, it is considerably more expensive as it takes around 2 times the capacity of the transmission and you have to pay for that oil
best have a chat with an accredited specialist shop and get a good prospective of which way you want to go

May 09, 2016 | Cars & Trucks

1 Answer

My transmission on my 2002 dodge works until it gets warm even after a transmission flush and new seals FILTERS AND GASKETS


I need to know ,was it doing this before the flush or after and if the check engine light is on? It sounds to me like either the Trans cooler is clogged, or the wrong fluid was used in the flush. If there are any codes stored then let me know what they are so I can try to help you. Ive also seen where the solenoids can cause a similiar problem just before they go out. Something about the heat they dont like.

Oct 05, 2011 | 2001 Dodge Ram 1500 Truck 2WD

1 Answer

I have a 1999 e 320 benz and need to know how to replace waterpump


if your car over 65000 km done or after last trans service is it have been done over 65000 km from last trans service as a first thing do the trans service with trans mission flush, trans mission flush is very important, it must get done by right place who have the right flushing machine for mercedes trans flushing, it's take 12 Ltr transmission oil + transmission oil filter+ oil pan gasket+ pilot bush, you must ask them to replace all those things this trans service is very important for Mercedes 5 speed automatic transmission, please get genuine Mercedes parts only don't use any aftermarket stuff for this particular transmission, and also need to check transmission control unit, the reason is if you do not trans mission service at right time pilot bush starting to oil leaking, that oil flow through wiring to transmission control unit and it's get wet by oil, if it's get wet by oil it's not functioning properly so can play transmission, other thing is if any thing dose not work for solve your problem you must get it to authorized Mercedes transmission technician to check it can be faulty oil pump or torque converter, I would like to note one more important thin regarding this matter, before do any thing please check transmission oil condition its could be mixed with water, if the oil like milky, it's water in oil, if it's like that you must replace the radiator and trans flush as I note above this is very important for your problem, is this information helped you?

Oct 27, 2010 | Mercedes-Benz E320 Cars & Trucks

1 Answer

Replace transmission filter or flush?


If you had to choose, then replace filter. Only know that it will make the transmission better or worse, one of those will happen. Flushing it is just a waste of money unless its been contaminated with oil/water/something besides the correct transmission fluid.

Jun 22, 2010 | Ford F-150 Cars & Trucks

2 Answers

How many qt. of fluid does 98 gmc transmission hold? not sure engine size..


when changing the filter? maybe 4, at overhaul maybe 10-11?

May 14, 2010 | 1998 GMC Jimmy

1 Answer

Yes i would like to know how to flush transmission fluid on 1998 ford mustang?


Flushing transmission fluid in any vehicle requires a machine that hooks into the systems via the transmission coolant lines and forces new fluid in and old fluid out.

You can change the fluid, without flushing the system, by removing the transmission pan.It is located on the bottom if the motor. Let all the fluid drain out, and replace the pan with a new gasket. You can then refill the fluid.

Good Luck!!

Mar 26, 2010 | 1998 Ford Mustang

1 Answer

Putting the car in drive and it's not switching gears. Stays in park no matter what I put it in. 2001 Mercury Sable. Got the transmission flushed last week on recommendation by the oil change place. ...


Never back flush a transmission you can blow out the seals on the transmission pump and torconverter
is the cable going to the transmission working if it is it is in the transmission that eather the linkage /or solinoid is broken or stuck if you don't know anything about the place that is doing the work then don't have it done ...

Mar 03, 2010 | 2001 Mercury Sable

1 Answer

What type of transmission fluid can i use for a transmission flush. there are new imports multi transmission fluid avialble at half the price of factory oil? is that okay to us? and how many quarts do i...


The newer vehicles today use synthetic fluids in their engines as well as the transmissions. Any type of synthetic transmission fluid will work. You will need 12 qts. of fluid to flush the unit. But usually to flush a transmission you need a transmission flush machine or access to one. Unless you are going to drop the filter pan then you are really not flushing the transmission.

Aug 10, 2009 | 2007 Subaru B9 Tribeca

3 Answers

Flush engine - transmission


Engine & Transmission Flush

You might have been told, by your dealer or mechanic that your engine oil or transmission fluid are very dirty, & an engine or transmission flush, is recommended. The flush will clean the engine or transmission, & those will last longer. This is only part true a clean engine or transmission will last longer, but I'm not sure that flushing them is the best way to clean them.


What Is An Engine Or Transmission Flush?

Flushing is forcing high pressure of fluid against the normal flow of the fluid. In simple words if the normal flow is left to right, the flush would force the fluid right to left.

This is done by connecting a machine that will force special solvents back through the engine and transmission. The idea is that by forcing cleaning solvents backwards through the system, it will get all the junk and garbage that has formed over time and "flush" it out of the system. In theory this sounds very good, but in practice, it can be dangerous.


The Dangers of Flushing your Engine or Transmission

Flush machines force high pressure cleaning solvents back through the engine and transmission and clean out some of the accumulated junk that has formed, so far all is good. Now the problems start, engines have small passages and galleries through which oil or automatic transmission fluid flow and there are one-way valves that keep the fluids from backtracking for whatever reason.

By using an aggressive cleaning procedure like flushing, large chunks of accumulated sludge are broken off and forced backwards through these galleries and valves and, more often than not, lodge tightly and block them. This cuts off the normal flow of the fluid and causes lack of lubrication in an engine and abnormal or no shifting in a transmission. The results are expensive repairs, or more often, engine or transmission replacement.

That's my knowledge about the subject, hope it was helpful,
Joe.

Jun 29, 2008 | 2008 Toyota Yaris Sedan

3 Answers

Chevrolet Malibu 2001 Transmission Flush or not


75,000 miles isnt alot of miles,unless they were mostly city miles. If you aren't experiencing any transmission problems,i would drop the pan,change the filter and whatever fluid the pan holds,and hold off on flushing the entire sytem.The clutches and bands sometimes don't do well when shocked with ALL new fluid that contains a certain amount of detergent.The only real problems i have seen with the total flush is on Dodge trucks of the 90's up to even 2000 and some later models,the transmissions use a governor pressure sensor,and solenoid,and i have seen many of them set codes after the flush,and the components having to be replaced with new.Black fluid isn't a good indicator.Brown fluid,is better than black.And red fluid is the best.

May 15, 2008 | 1983 Chevrolet Malibu

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