 94 celica st overheating issue, 1994 celica st 1.8L overheating issue. |
 Sep 1, 2014 - 7:18 PM
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Enthusiast  Joined Feb 5, '13 Currently Offline Reputation: 0 (0%)  |
Hi i have a 94 celica ST with the 1.8L motor. I bought a used motor from online that had 132k miles on it. i dropped it in and i replaced the following on the car:
1. rear main seal 2. oil pan gasket 3. torque converter 4. radiator swapped out with 3 row performance radiator meant for gt4. 5. added a 15 row transmission cooler 6. new air filter 7. new spark plugs 8. new spark plug wires 9. new front o2 sensor 10. new fuel filter 11. straight pipe headers 12. high flow cat 13. aftermarket muffler 14. new belts all the way around and so when at idle everything seems fine and when i drive around town everything is fine but only when i get on the highway going 65MPH it starts to overheat very quickly and then i pull over and let it idle and it seems to go back down then i drive again and then at this point going any speed is making it overheat. i have no check engine light. and i checked the thermostat and it works and i checked the water pump and it works. i just flushed my cooling system and no luck there. I dont get why its overheating on me. I checked the compression and all cyclinders show 150. no noises are being made and when it gets hot the car runs fine no missing or other issues just gets hot. Anyone have any ideas? |
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Replies
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Sep 3, 2014 - 8:54 AM
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 Enthusiast Joined Dec 3, '13 From Missourah Currently Offline Reputation: 0 (0%) |
Ya I was told 175 was a minimum compression level.
Mine leaks so bad that if you start it with the radiator cap off you can rev the motor by the throttle cable and watch the bubbles form in the radiator. -------------------- Bust a Deal; Face the Wheel.
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Sep 3, 2014 - 2:49 PM
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Enthusiast Joined Feb 5, '13 Currently Offline Reputation: 0 (0%) |
QUOTE (VavAlephVav @ Sep 3, 2014 - 8:54 AM)  Ya I was told 175 was a minimum compression level. Mine leaks so bad that if you start it with the radiator cap off you can rev the motor by the throttle cable and watch the bubbles form in the radiator. What was your compression numbers? did they differ from cylinder to cylinder? if you have around the same compression as me then that would help me with diagnosing my issue  .
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Posts in this topic
rapid36 94 celica st overheating issue Sep 1, 2014 - 7:18 PM
VavAlephVav im not sure about the 1.8 but the 2.2 is supposed ... Sep 1, 2014 - 7:51 PM
rapid36 QUOTE (VavAlephVav @ Sep 1, 2014 - 7... Sep 1, 2014 - 7:54 PM
Noahwhite2014 QUOTE (VavAlephVav @ Sep 1, 2014 - 7... Sep 3, 2014 - 8:27 AM VavAlephVav yep that's it, the exhaust overpresurizes the ... Sep 1, 2014 - 9:02 PM rapid36 I timed it correctly with a timing light and the H... Sep 1, 2014 - 9:53 PM VavAlephVav the more common problem is that exhaust leaks out,... Sep 1, 2014 - 11:12 PM rapid36 strange. i looked in the book and they didnt give ... Sep 1, 2014 - 11:30 PM VavAlephVav http://bgbonline.celicatech.com/ Sep 2, 2014 - 6:56 AM rapid36 NICE FIND!! I looked at the cooling system... Sep 2, 2014 - 3:18 PM VavAlephVav It is supposed to be an "automatic" blee... Sep 2, 2014 - 5:11 PM Smaay im 95.87% sure its your head gasket. a compression... Sep 3, 2014 - 1:24 AM rapid36 lol i dont know why people are saying do a compres... Sep 3, 2014 - 2:45 PM rapid36 FIXED!!!!!! all I had to d... Sep 3, 2014 - 10:18 PM VavAlephVav Sweet.
I'd keep an eye on it for a while just ... Sep 4, 2014 - 9:00 AM rapid36 QUOTE (VavAlephVav @ Sep 4, 2014 - 9... Sep 4, 2014 - 12:36 PM |
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