what thermostat to use

1987 mustang

Original poster
Member
Dec 23, 2012
11
Can i use a thermostat from autozone or must it be ac delco. I have a 05 tb with a p0128 code. Thanks for your help
 

CaptainXL

Member
Dec 4, 2011
2,445
1987 mustang said:
Can i use a thermostat from autozone or must it be ac delco. I have a 05 tb with a p0128 code. Thanks for your help

Hold on for a day or so. There are some here that have tried 2 or 3 maybe 4 and know which last and works the best.

I ordered 3 different ones from Amazon.com a few months ago. ACDelco, Motorad and Stant. I liked the Stant the best because it had the ball check and wasn't compression bent like the ACDelco. The Stant also had a much beefier bulb. The Motorad is ok. When I looked inside the pipe it was egg shaped and restrictive in design. The Stant appeared to me to be the best made. I just never got around to installing them. Will be installing the Stant soon.
 

Playsinsnow

Member
Nov 17, 2012
9,727
I bought my duralast thermostat and ECT sensor at Autozone when the code appeared, only store that had em in stock without driving all over town.

Been 2yrs, only 20k miles tops, and no issues whatsoever. Figure it will give me a few warning signs before it fails. Just clean the coolant up thoroughly after replacing because I got paranoid smelling it for a few days afterwards. Stant is reputable.
 

1987 mustang

Original poster
Member
Dec 23, 2012
11
Replaced coolant temperature sensor instead of thermostat. Not easy to access without removing altenator and making custom 18mm socket to accomodate wires for sensor plug. Temperature stays under 200 now and runs great
 

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