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Engine temperature

Tiny
MONEYSAM
  • MEMBER
  • 1995 LEXUS ES 300
  • 234 MILES
My engine never runs hot, I just recently had my ac system recharged, it blows cold at a cold start mostly but after running for a while it blows like the fan is on instead of ac I noticed the other day my engine started running hot while the ac was on and it was blowing cold after I turned the ac off it went bk to normal temperature what could b making it do that?
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Tuesday, June 12th, 2012 AT 11:11 PM

29 Replies

Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
Is your ac condensor fan working?
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Tuesday, June 12th, 2012 AT 11:17 PM
Tiny
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I dnt really know how cn I tell?
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Tuesday, June 12th, 2012 AT 11:19 PM
Tiny
SATURNTECH9
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When the ac kicks off see if the ac condensor fan is on and blowing out alot of air. Also check the radiator and condensor for debris in the fins like sand etc.
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Tuesday, June 12th, 2012 AT 11:23 PM
Tiny
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  • 173 POSTS
Ok
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Tuesday, June 12th, 2012 AT 11:29 PM
Tiny
SATURNTECH9
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Keep me posted.
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Tuesday, June 12th, 2012 AT 11:34 PM
Tiny
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I will definitely keep ya posted.
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Thursday, June 14th, 2012 AT 4:15 AM
Tiny
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  • 173 POSTS
Im gne give you some feed back on my car n a lil bit but I wanna ask u a question cuz you real sharp, my friend has a 2000 dodge neon when she drives the car its always at normal temperature, but she says she just started noticing water or coolant boiling into the overflow after shutting the car off she got it scanned at autozone and they said she had a misfire at cylinder 1, let me know what u think
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Monday, June 25th, 2012 AT 11:59 PM
Tiny
SATURNTECH9
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So sorry some how I didnt get a email alert saying you posted a response. Possibly your friends car gauge isnt reading correctly or she has a bad radiator cap not holding pressure. Does her radiator fan work?
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Tuesday, July 3rd, 2012 AT 5:46 PM
Tiny
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She said it aint no problem now guess it was a one time thang
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Wednesday, July 4th, 2012 AT 6:06 AM
Tiny
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  • 173 POSTS
Ok I cranked my engine on the lexus and turned da ac up to high the fan came on, thats one thing I checked I checked for debris in the radiator fins and kit really wasnt none now I didnt check the condensor I didny know where it was located.
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Thursday, July 5th, 2012 AT 8:09 AM
Tiny
SATURNTECH9
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The ac condensor is on the other side of your radiator facing the front of the car.
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Thursday, July 5th, 2012 AT 4:47 PM
Tiny
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Ok im gne check that out I changed the power steering pump yesterday I just wanted to get some tips on what to look for to make sure its on rite I dnt think I have any leaks I didnt really know how to bleed it I just poured power steering fluid in after I hooked everything up and tightened bolts up
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Saturday, July 7th, 2012 AT 1:56 PM
Tiny
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My condenser didnt have debris in it also so what could be all the prime reasons why my car temperature would get higher after running my ac for a while.
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Saturday, July 7th, 2012 AT 2:08 PM
Tiny
SATURNTECH9
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The prime reason running the ac for a while would engine temp is because its putting a load on the engine running the ac compressor. So does the ac condensor fan come on with the ac running?As far as the power steering as long as pump is bolted up square the pulley is on correctly?The belt is on right and the pump isnt noisey then the pump is on correctly and the air is bleed out of it.
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Saturday, July 7th, 2012 AT 2:52 PM
Tiny
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Ok the only thing I left out was my engine temp problem probly came from driving with no power steering fluid cuz at the time when I texd you guys I was driving without power steering at that time I read a article of a guy dat had da same car I had and somehow a power steering line is hooked up to my fan and after I changed the power steering pump and got rid of the leak the overheating problem went away.
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Saturday, July 7th, 2012 AT 5:56 PM
Tiny
SATURNTECH9
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So does the ac work now?
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Saturday, July 7th, 2012 AT 9:07 PM
Tiny
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Yes it works
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Saturday, July 7th, 2012 AT 10:29 PM
Tiny
SATURNTECH9
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Thats good sounds like you got it fixed.
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Sunday, July 8th, 2012 AT 4:26 PM
Tiny
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Yep couldntve did it without you guys pro advice thanks. The next job I plan on doing is the timing belt its gne be a while before I do dat. But I got a question lets say I go get a ecm off a car like mine would I have to program my key if so you got a procedure on it? Also I wanna know how can you tell if your cluster gauge needs to be replaced
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Sunday, July 8th, 2012 AT 9:33 PM
Tiny
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Why do you think your ecm is bad?Whats wrong with your cluster gauge?
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Monday, July 9th, 2012 AT 5:59 AM

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