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» Northern California Ford Owners     » Automotive   » Tech Talk   » heating up at idle... ok when running

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Author Topic: heating up at idle... ok when running
RioredGT
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What could be causing my car to do this. It heats up pretty bad when it sits idling but runs fine when its running. Would a bad thermostat cause this?
Posts: 410 | From: Bay Area | Registered: Jan 2003  |  :
getjobdone
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This happened to me after I took off the fan shroud because the griffin radiator i picked up was a bit narrower than stock.

If you still got that on, then maybe your fan clutch is on its way out...

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91 notch ^ blown h/c/i
Posts: 677 | From: east bay,ca | Registered: Jul 2004  |  :
166 Merlo
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Heating up at idle means you're not getting enough airflow throw the radiator. Are your fans coming on?

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'89 - Boss Coupe
'70 - Drop Cutthang
'68 - Cougnut
'87 - 0166, Its real
Posts: 3953 | From: Thebay | Registered: Jul 2002  |  :
RioredGT
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They come on once the needle gets close to red which is what I think they're supposed to do.

The car runs fine when I'm on the freeway, but once I hit stop and go, it heats up real fast especially at stop lights. It's weird though because if I let idle and keep it revved it brings the temp needle down. You guys think it might be time for a new radiator?
Posts: 410 | From: Bay Area | Registered: Jan 2003  |  :
166 Merlo
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it might be, maybe a new waterpump. do you have underdrive pulleys installed?

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'89 - Boss Coupe
'70 - Drop Cutthang
'68 - Cougnut
'87 - 0166, Its real
Posts: 3953 | From: Thebay | Registered: Jul 2002  |  :
Pure Stang
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quote:
Originally posted by RioredGT:
They come on once the needle gets close to red which is what I think they're supposed to do.
nope change that. atleast at half way. jmo

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HEART BREAKER

R.I.P Willie Guzman (5ltrsvt) you will be missed brother.
04/24/87 - 11/23/2012

90 lx 347 RIP
86 gt
89 lx- next project
Posts: 6497 | From: San Jose | Registered: Nov 2006  |  :


 
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