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-   -   4l60e started slipping (http://www.hotrodders.com/forum/4l60e-started-slipping-222263.html)

4x4blazer 07-28-2012 09:55 PM

4l60e started slipping
 
2002 4x4 4l60e, i recently had the fluid and filter changed and it drove great till a few days ago, it only engages in reverse around 1500-2000rpm and 1st gear engauges the way its supposed to but is slipping. also in park with engine idleing fluid comes out of the dipstick hole? i checked the upper vent and its not clogged. doesnt make any clunks or bad noises, no whining or anything like that. anybody know what is wrong and can help. thx :confused:

Crosley 07-28-2012 10:46 PM

What is the mileage on the transmission? If yu know

Was the old fluid real dirty and smell burned when the service work was performed?

Is the fluid level correct?

The lazy reverse could be hard seals, worn out clutch pack.

The fluid out the dipstick tube is usually an indication of a serious problem if the vent is not plugged up

4x4blazer 07-30-2012 01:32 AM

mileage is 108k and fluid was dirty smelled awful,dark colored,it is showing way overfilled but it only had 5 quarts in it from filter and fluid change. was showing at the cold mark when cold before the trans started slipping.

joshp83 07-30-2012 10:04 PM

is it 4x4 it could be leaking threw the transfercase to the transmission

4x4blazer 07-31-2012 07:44 AM

Yes it is 4x4

4x4blazer 08-09-2012 08:35 PM

i figured id try something to se if it would work, i added more fluid and took it for a short drive, it did great, didnt slip and when i pulled back in the yard, i checked the level in park at idle, yes it was overfilled quite a bit but fluid didnt come out of the dipstick tube until i shut the engine off? maybe this could help diagnose it better? yes i know its not good to overfill but im not leaving it overfilled just as an experiment. maybe you guys could help me save a few bucks, thanks in advance..

Crosley 08-09-2012 09:07 PM

Quote:

Originally Posted by 4x4blazer (Post 1581547)
i figured id try something to se if it would work, i added more fluid and took it for a short drive, it did great, didnt slip and when i pulled back in the yard, i checked the level in park at idle, yes it was overfilled quite a bit but fluid didnt come out of the dipstick tube until i shut the engine off? maybe this could help diagnose it better? yes i know its not good to overfill but im not leaving it overfilled just as an experiment. maybe you guys could help me save a few bucks, thanks in advance..

I've seen early design filters installed in 4L60e trans with factory deep pan.. the filter falls out of the pump.

2002 truck - SUV would need the deep plastic filter to match the factory deep pan

4x4blazer 08-10-2012 05:20 PM

Thats probly what my mechanic has used, the shallow pan filter.. ill try the deep pan filter and see what happens. Hopefully i havent damaged anything. Ty crosley


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