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> 94 celica st overheating issue, 1994 celica st 1.8L overheating issue.
post Sep 1, 2014 - 7:18 PM
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rapid36

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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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post Sep 3, 2014 - 10:18 PM
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rapid36

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FIXED!!!!!! all I had to do is bleed the cooling. I didn't use a spill free funnel and I bearly saw any air bubbles escape and I didn't have to put in Any coolant which is another reason why I didn't think there was a lot of air in the system. Thank you everyone for all of your help. I also did the block tester and it passed that test. No exhaust fumes smile.gif

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
- - VavAlephVav   Ya I was told 175 was a minimum compression level....   Sep 3, 2014 - 8:54 AM
|- - rapid36   QUOTE (VavAlephVav @ Sep 3, 2014 - 8...   Sep 3, 2014 - 2:49 PM
- - 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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