Replaced torque converter clutch solenoid.....

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I don't think GM does not require transmission fluid changes. Most GM front-drivers I recall are 50k severe, 100k normal.
 
Originally Posted By: cutchemist42
The guy said the transmission fluid got so gunked up again that all flow had stopped. This was after he already did a transmission fluid/filter change the first repair. How could a transmission get so clogged up again within 3 weeks of the first transmission fluid change?
Originally Posted By: cutchemist42
1998 Buick Park Avenue Ultra
302,000 kms
or approx 189,000 miles

Was the fluid ever changed before this repair? If not, and the shop only did a drain & fill as opposed to a complete fluid exchange, plenty of old roagy fluid was still left in it. Have a complete exchange done...if that doesn't fix the issue then the transaxle is done.
 
Could be that the trans is on the way out and they flushed it out to get clean fluid and junk out of the trans. But in that case it would probably work for awhile then get clogged up again.

Sheet happens when working on cars. Does not necessarily mean the shop is crooked.
 
steve
small claims court i dont know in your state but here if they are incorporated they have to hire a Lawyer and hope for the best 90% settle out of court.
 
Originally Posted By: oilboy123
Could be that the trans is on the way out and they flushed it out to get clean fluid and junk out of the trans. But in that case it would probably work for awhile then get clogged up again.

Sheet happens when working on cars. Does not necessarily mean the shop is crooked.


truth. original diagnosis may not have been correct but it doesn't mean these guys are malicious. the TCC solenoid may have been gummed up, and maybe the others are as well but they didn't replace. if the fluid is gummed, it would be no surprise at that age. it would actually be a surprise if it WASN'T gummed up.

your mom is not an OCD over-maitaining gearhead. The trans either needs the TLC of a gearhead, or replacement. you're better off with a replacement. it is an old trans.
 
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Well as a follow-up, my mom paid for the 2nd transmission fluid change. Still runs terrible and the car has no clue what gear it wants to be in nor which RPM is appropriate for the speed. The car drive downs the road at 2500 RPM when I went over to her house to drive it.

I think new transaxle is in order.
 
Originally Posted By: cutchemist42
Well as a follow-up, my mom paid for the 2nd transmission fluid change. Still runs terrible and the car has no clue what gear it wants to be in nor which RPM is appropriate for the speed. The car drive downs the road at 2500 RPM when I went over to her house to drive it.

I think new transaxle is in order.


If it's hunting from gear to gear or just not being in the right gear at the right time that's not the same as slipping. Slipping probably means time for a rebuild or replace type solution. Wrong gear is often something that can be repaired without pulling the trans out.

I take it this is a 4T60E trans, right? These things are hydraulically controlled by the valve body when stone cold like a traditional automatic, but once they warm up, the PCM takes over and uses sensor data to operate solenoids that do the job.

If it's slipping you need a trans.

If it's just shifting wrong, you need a mechanic who either specializes in transmissions or in GMs. This will probably be a lot cheaper.
 
Originally Posted By: yonyon
Originally Posted By: cutchemist42
Well as a follow-up, my mom paid for the 2nd transmission fluid change. Still runs terrible and the car has no clue what gear it wants to be in nor which RPM is appropriate for the speed. The car drive downs the road at 2500 RPM when I went over to her house to drive it.

I think new transaxle is in order.


If it's hunting from gear to gear or just not being in the right gear at the right time that's not the same as slipping. Slipping probably means time for a rebuild or replace type solution. Wrong gear is often something that can be repaired without pulling the trans out.

I take it this is a 4T60E trans, right? These things are hydraulically controlled by the valve body when stone cold like a traditional automatic, but once they warm up, the PCM takes over and uses sensor data to operate solenoids that do the job.

If it's slipping you need a trans.

If it's just shifting wrong, you need a mechanic who either specializes in transmissions or in GMs. This will probably be a lot cheaper.


It's now back to slipping, revving to 3500 with little movement. She's likely giving up on the car since shes at the age where driving is scary for her....
 
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