So much for legendary reliability

[Deleted member 9101]

Sooo I'm not standing up for anyone or putting the blame on anyone here but i have a small shop and we preach this:

Do NOT do a tranny flush. You drain the fluid and put more in, you do not need to stir up sediment to get 75% of it out and leave the last 25% to clog up valve bodies.

There are several places around here that do tranny flushes, we see almost every person who has a flush done within a year after the flush with severe tranny issues.

The black oil could be from your guy telling you to drive it around the block while slipping or your no downshift problem creating extra clutch wear and heat.




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I have heard not to flush them from several "old school" mechanics, including my wife's uncle. He will go as far as to say "if it's still pink and doesn't smell burnt don't change it." From what I can figure it's either an all or nothing thing; either keep it spotless and not have any problems, or leave the sediment be and don't have any problems. It seems that when an older vehicle has the fluid changed/flushed it stirs up all the gunk and crap and that's when the problems start.

I how ever have had mile "flushed" annually for the last 110,000 (197,000 on the truck) miles in my Tundra and not had a single problem. With that being said I have always been under the thought process of not letting sediments build up and you never have the problem to begin with. It shifts great and has no slippage or other quirks. I dropped the pan to clean it out a few years back and it was spotless on the inside, no layer of grime and crap like the old GM Th series trannies.


I have always wanted to put an in line filter and cooler on it, but it seems to do just fine with what it's got.

 

[Deleted member 9101]

That sir is criminal. I have a 97 bmw with 220k and original tranny, a 02 f250 super duty with original tranny at around 210k and last a 84 cucv with the th400 tranny with a dog tag bolted onto the tranny from the military from the 80's so I'm guessing it's the original tranny and she's got at least 160k on that I can confirm maybe more. If I had a tranny go out at 60k I'd loose my mind!

That's wild stuff lol.

I blew the tranny in my Stupid Duty work truck a little over 100k. Evidently towing 15-18k up hills and in traffic on an almost daily basis grenades them...lol.

 

[Mertens]

I do think there is something to flushing regularly jnich, it makes sense that way. Keep it as clean as possible so hopefully there is no debri buildup to begin with.

I think the bigger issue is people who notice an issue or think it has been 200k maybe I ought to get it flushed.


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[Martinjmpr]

What I've heard is that if the trans wasn't flushed before 100k, don't flush it, ever.

 

[406expo]

I blew the tranny in my Stupid Duty work truck a little over 100k. Evidently towing 15-18k up hills and in traffic on an almost daily basis grenades them...lol.

That's a real bummer lol

 

[406expo]

Hopefully you get a new tranny dropped in for a fair price. Getting away from the little shop looks to have saved you money already.

 

[Quill]

Some shops who flush transmissions just filter the old fluid and put it back. They don't even change the filter. The filter change is the most important, plus a magnet in the pan to catch any chips. Then a decent quality fluid.

 

[cruiseroutfit]

What I've heard is that if the trans wasn't flushed before 100k, don't flush it, ever.

x2, that is our general recommendation to customers. I'd even say 75k?

 

[Chucho]

I called Tualatin Transmission and got quoted $1500-$2000 for a complete rebuild.
I used them in the past for my Chevy Trans and they also worked on the FedEx fleet when I worked there.
I know it may be a little far from you, but you can always call them to see if they have connections down there.

 

[BrandX]

Sorry to here that kirk. I wish i was still right down the road i would come over a give u a hand.