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[Tonka.]

Some of you may remember I had to fit a new auto box last year. My AR25 messed up and I swapped it for an AR35. Thanks for your help once again over that.

Guess what the AR35 has started to do 

Hanging in second, thumping into third and then limping. Borrocks!!!

It started off this week with a mild thud going into third and has got progressively worse. It is a lot worse when the box gets really hot. The recent hot days have really shown it up whilst running my parents around Lincoln. It seems better when the box is not so hot  :-/

To make matters worse, I start a new job on Monday. First permanent work in two years.

I have checked the ATF level (engine running through the gears etc) and the level is okay BUT the fluid is brown and smelly. Yet, it has only been in a year  :-/ :-/

Any ideas before I go mad with frustration 

[Varche]

Might be but hope it isn't the thrust washer. If it is then the bits will be in the sump. Also don't like the sound of the fluid being brown and smelly. How many miles since you replaced it?

However someone with more knowledge will no doubt be along shortly.

[Tonka.]

Might be but hope it isn't the thrust washer. If it is then the bits will be in the sump. Also don't like the sound of the fluid being brown and smelly. How many miles since you replaced it?

However someone with more knowledge will no doubt be along shortly.

The box had a new thrust washer fitted last year, in place of the silly plastic GM one. Sorry forgot about it 

Its done about 7000 miles since last Jan when it went in 

[RobG]

Sounds like 2-3 solenoid. Was the box & T/C thoroughly flushed before adding new ATF

[Tonka.]

Sounds like 2-3 solenoid. Was the box & T/C thoroughly flushed before adding new ATF

The whole lot was flushed, even the cooler at the front.

This solenoid chappy. What does it involve to remedy it?

[RobG]

Sump off jobbie. Have a read of this and note "Figure 2" part #307 http://images.omegaowners.com/downloads/Autobox_Docs/4L30E_Article.pdf

[Tonka.]

Sump off jobbie. Have a read of this and note "Figure 2" part #307 http://images.omegaowners.com/downloads/Autobox_Docs/4L30E_Article.pdf

Thanks Rob. I have had the sumps off before, so am okay there 

With the sumps off are they obvious and easily accessible?

Of course the big question....where on earth do I get them from and what sort of cost are they?

[RobG]

Yes to obviousness and accessibility. Pricewise, couple of years back, about £80 or thereabouts. Nowadays, no idea. Maybe one of the breakers got an old box lying around for cannibalising

[unlucky alf]

as you aint a million miles away, if you need a solenoid ive got two u/s boxes here, solenoids should be o,k though

[RobG]

as you aint a million miles away, if you need a solenoid ive got two u/s boxes here, solenoids should be o,k though

Was just about to post to tell OP to give you a PM

[unlucky alf]

thanks rob, nothing like being known for blowing up g/boxes is there

[Tonka.]

The stupid thing is, I took my old AR25 to the scrap yard in March 

[Tonka.]

as you aint a million miles away, if you need a solenoid ive got two u/s boxes here, solenoids should be o,k though

Thanks alf. Would you be able to help me out with the job?

[unlucky alf]

well i had 3 busted ones but some thieving git knicked one while i was on holiday, it still had the selector switch on it otherwise i wouldnt have been so peed off
anyhow let me know if you need anything & i`ll strip down one of the others.

[pscocoa]

When did you last change crank sensor?