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99 Blazer Torque Converter

6 messages,  Last post on Nov 28, 2007 at 7:10 PM

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What is this discussion about? Chevrolet Blazer, GMC Jimmy, Chevrolet, SUV

Messages Page 2 of 2

#3 of 6 Re: 99 Blazer Torque Converter [repairdog] by crashomatic

Jun 22, 2007 (5:57 am)

Replying to: repairdog (Jun 22, 2007 2:56 am)
It's when the car is in 'D'. Drop it to 3 and everything is fine.
 
So the TPS might be bad which is not giving the right read on whether the torque converter should be locked or not?
 
We drove it with a computer hooked up and the computer is saying it's locked, but it's bouncing from locked to unlocked.
 
Still think it's TPS?
 
Why would there be no code?

#4 of 6 Re: 99 Blazer Torque Converter [crashomatic] by repairdog

Jun 22, 2007 (1:58 pm)

Replying to: crashomatic (Jun 22, 2007 5:57 am)
Just a cheap potentimeter or resistor that gets dead spots and gets non-linear so for $25 easy to rule out and simple to change.

#5 of 6 99 blazer 4x4 p1870 code by murphy51

Nov 22, 2007 (9:04 am)

My 99 blazer 4x4 shows a p1870 fault code,but yet it shifts fine and shows no sign of slip while driving.Is it a big job to change the tcc solenoid?How much do they cost and what would a shop charge to replace it?
Thanks for the help.
Kevin

#6 of 6 Transmission Problems by kjames0189

Nov 28, 2007 (7:10 pm)

I have a 2000 Chevy Blazer it started having trouble when I would put it in drive or reverse - it didn't want to go into gear. When driving home the second gear drum burnt out. I took it what I thought was a mechanic with a great reputation. He was supposed to overhaul the transmission. I've had to take it back to him 3 times and I'm getting ready to take it back for a fourth time. It acts like it isn't sure when to shift, it will wind the gear out then the RPMs will shoot up then finally shift. Some times it doesn't seem like it is ever going to shift. The blazer has problems pulling hills and again is having trouble going into drive & reverse. You have to shift it back to nuetral then put it into gear.
 
Are there any possible items that the mechanic may have fogotten to replace? He says that he's replaced all the components in the transmission as well as the value body. I'm beginning to think he's short cutting something because it doesn't really drive much different than it did when second gear fried. I've only been able to make it a couple of weeks each time he works on it.
 
I'm sort of stuck now, as much as I have invested. I thought that if I possibly asked some direct questions I might be able get the thing fixed.
 
Any advice is appricated.
 
Thank you.

Messages Page 2 of 2

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