PLEASE HELP!!hypertech tstat stucked closed again
Thread Starter
Racer
Joined: Aug 2001
Posts: 396
Likes: 0
From: Clinton Township MI
PLEASE HELP!!hypertech tstat stucked closed again
i dont know why but this is the second time a hypertech 160 tstat has gotten stuck closed, tonight i was driving around it was about 70 degrees out and my car was runnin fine around 190 or so then just started to rise and rise and rise, till about 300 i knew to pull over cause less than 4 months ago this same thing happend to me to my first 160 hypertech t-stat anyone know what is causing this, my car or hypertech if anyone knows an email to them or phone number i would like to let em know the trouble i have gone through with their products
thanks
ryan
thanks
ryan
Team Owner
Joined: Sep 2001
Posts: 62,139
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From: Athens AL
C7 of the Year - Unmodified Finalist 2021
C4 of Year Finalist (performance mods) 2019
Re: PLEASE HELP!!hypertech tstat stucked closed again (DETROITc4)
y not just go to AutoZone or whatever and buy a 160 tstat?
Thread Starter
Racer
Joined: Aug 2001
Posts: 396
Likes: 0
From: Clinton Township MI
Re: PLEASE HELP!!hypertech tstat stucked closed again (vader86)
i am gonna go there and get another one im just sick of em getting stuck closed, doesnt make for a very enjoyable ride when you have to drive 1 mile stop let cool down drive another mile stop let cool down and so on and so forth
Safety Car
Joined: Feb 2002
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From: financial-freedom-for-all.com
Cruise-In V Veteran
Cruise-In VI Veteran
Re: PLEASE HELP!!hypertech tstat stucked closed again (DETROITc4)
That is what I have. :confused: So far it's only been 3 months and no problems. :)
Safety Car
Joined: Dec 2000
Posts: 3,767
Likes: 5
From: Jacksonville Fl
Re: PLEASE HELP!!hypertech tstat stucked closed again (DETROITc4)
Because they are made CHEAP!
Go to Autozone/PepBoys/Discount/etc... and buy a heavy duty 160º T-stat and you should have no more problems.
Go to Autozone/PepBoys/Discount/etc... and buy a heavy duty 160º T-stat and you should have no more problems.
Racer
Joined: Jan 2002
Posts: 258
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From: South Glastonbury CT
St. Jude Donor '06
Re: PLEASE HELP!!hypertech tstat stucked closed again (DETROITc4)
Are you sure it's the stat? I had the exact same problem and it turned out to be the radiator cap on the recovery tank was sticking closed. You may also have air in the system. Check to see if you have heat when you think the stat is stuck. If you do, it's not the stat. This is what I did and I haven't had the problem since. I am not sure of the exact required bleed procedure but try this: there is a bleed screw near the hose connection to the thermostat housing. Try opening it a little and see if fluid comes out. Hold it open until some does, then close it. Open up the recovery tank and add fluid until it reachs the spill tube. This is a good time to check the cap to see if it may be sticking. Well, I hope I was some help. If not good luck.
:cheers:
:cheers:
Team Owner
Joined: Mar 2001
Posts: 54,124
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From: Cincinnati, Oh USA
Re: PLEASE HELP!!hypertech tstat stucked closed again (DETROITc4)
Your cooling system is destroying your thermostat because it was designed to operate at 180, not 160. The radiator is not sized to get rid of heat fast enough to allow the engine to run at 160 and the proof is in your first sentence, " around 190 or so". The pellet in the thermostat is damaged when it is exposed to much higher temperatures than it was designed for. I recommend you install the 180 stat your car was designed for. If you want your engine to run at 160, then install a bigger radiator and a higher flow water pump . My 87 uses a 195 stat and when I installed a Stewart water pump which has higher flow, my engine doesn't go over 200 in 97 degree weather and sitting at a light and I have the original radiator .
