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rmp goes high


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eyob07
User

Jan 31, 2015, 1:22 PM

Post #1 of 9 (1119 views)
rmp goes high Sign In

hello everyone this is a 05 Montana, 3.4 engine the engine rpm goes high when the gas pedal is depressed but the car wont speed up as required, I,m assuming the transmission has some slippage, we are planing to replace the trans fluid and filter do you think that will help any ideas would be appreciated


Discretesignals
Ultimate Carjunky / Moderator
Discretesignals profile image

Jan 31, 2015, 1:41 PM

Post #2 of 9 (1115 views)
Re: rmp goes high Sign In

What is the transmission fluid level and condition? If the fluid is dark and smells burnt, good bet it is coming apart.





Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.


gsferraro
Enthusiast

Jan 31, 2015, 2:21 PM

Post #3 of 9 (1108 views)
Re: rmp goes high Sign In

Hello,
Question, do you have the same problem in reverse or is rev. ok? Gary
Trans in this vehicle is called 4T65E


eyob07
User

Feb 1, 2015, 8:53 PM

Post #4 of 9 (1083 views)
Re: rmp goes high Sign In

thank you for responding, ya the condition of the fluid was clear and the level was OK as well.


nickwarner
Veteran / Moderator
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Feb 1, 2015, 11:41 PM

Post #5 of 9 (1079 views)
Re: rmp goes high Sign In

He also needs to know if your reverse is working properly or is slipping like your forward gears.

Do you mean the fluid was clean or the fluid was actually clear?


eyob07
User

Feb 2, 2015, 2:31 PM

Post #6 of 9 (1062 views)
Re: rmp goes high Sign In

thank you again, I mean the fluid was clean and not dark, to answer your question the car goes OK in reverse.


gsferraro
Enthusiast

Feb 2, 2015, 4:43 PM

Post #7 of 9 (1056 views)
Re: rmp goes high Sign In

Ok, if this has good reverse and slips going foward, that tells me that your 1-2 band is broken. This transmission also has an input or foward clutch, but the foward clutch is not the problem because not only is this clutch on in foward, its also applied in reverse. So being that you have good reverse, that gets ruled out. More than likely you have a problem with the 1-2 band which is common on these units. Gary


eyob07
User

Feb 2, 2015, 6:18 PM

Post #8 of 9 (1048 views)
Re: rmp goes high Sign In

thank you Gary, then in this case the transmission is going to be replaced. any way thank you for all the help.


gsferraro
Enthusiast

Feb 2, 2015, 7:06 PM

Post #9 of 9 (1043 views)
Re: rmp goes high Sign In

If you take it to a shop to be checked out, let me know what they say. gary


(This post was edited by gsferraro on Feb 2, 2015, 7:10 PM)






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