Transmission due for service. What should I know before it goes to dealer?

[Thunderbolt]

My truck is due for the Transmission Fluid/Filter change according to the owner's manual's service schedule. Before I take it to the dealer I would like to know what I am in for. I intend to have the manual high-speed idle turned on. I would rather not have the "Horn/back-up" recall done. Is ther anything else I should be warned about? Thanks.

 

[Bob Wagner]

dont let them do a transmission "flush"



no good and could cause problems

 

[RobertP]

dont let them do a transmission "flush"



no good and could cause problems

VERY TRUE. just let them service it no flushes. when they flush them any metal that may be in there will end up in the filter and with the flush they dont replace the filter.



Robert

 

[Mark1si]

Yea plus they charge 210. 00 to do it. Did it myself for like 40. 00. 10. 00 filter from Autozone and 6. 00 a quart for transmission fluid (x5). Takes 20 min.

 

[WCPoe]

Do it yourself and buy a deep pan with the money saved

Do it your self. Use the money you saved to buy a deep aluminum pan like a PML or Mag-HyTec which will facilitate the changing in the future.

 

[DrDiesel]

If they show you fine sediment and material on the pan magnet. Don`t buy a transmission. :-laf

I also would advise against letting the dealer do it, and never ever let someone flush your trans with a power flusher.

 

[DPKetchum]

Most shops don't use a power flusher. Its a fliud exchange with the trans itself doing the transfer. In my opinion the best thing for a auto trans and the consumer since a auto trans was invented. Only way to fly. Dropping the pan and adding a few new qts to old trans fliud is a waste of time and fliud.

 

[Tmartin000]

Dpketchum-



So lets see if I got this. Have them do a power flush (connected to hoses up front--maybe the ones from the transmission cooler lines) AFTER they've dropped the pan to get the sediment out and change the factory filter? Or leave the filter alone??



I really want to do this right...

 

[DPKetchum]

One its NOT a power flush. Its a fliud exchange. Leave filter alone until 60k and at 60 change filter,top off and hook to the the fliud exchange machine. I'm being conservative on filter. 60k is if truck has done a lot of heavy work. If not I'd leave it alone to 90k. Handled literally probaby a few thousand that way. Several fleets. With the invent of the fliud exchange process auto trans life from what I have seen was greatly increased as well as retaining smooth shifts and torque convertor lock up. Some do filter at 30k but its really premature. Most high line indepents and most dealers do it this way. I leave my filters in my personal autos alone till 90k. Last few I changed at that mileage were hardly differant then the new out of the box. Fliud is what degrades. What minor stuff on the magnet or in the pan stays there.

 

[Tmartin000]

Ok. Got it. "Fluid exchange" only. I guess I was just suprised you didn't suggest dropping pan to remove metal contents from pan bottom/magnet.



Thanks.

 

[DPKetchum]

Thats right it is and I didn't.