overheating when at idle

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Aug 16, 2010 | 03:39 PM

zwhiz

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Joined: Apr 2010

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From: where the left turn should have been taken, NM

overheating when at idle

my 88 truck just started getting hot when at idle. just replaced thermostat today and still getting hot???
not smelling any coolant and i checked the oil and it seems fine... ??

Aug 16, 2010 | 03:52 PM

SoCal

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Joined: Aug 2010

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From: Los Angeles CA

How is the water pump is the thermostat opening and coolant flowing?

Aug 16, 2010 | 03:56 PM

Wheelingnoob

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Joined: Feb 2007

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From: Surrey, BC

Been through any mud recently? You may have plugged your rad if you did.

Aug 16, 2010 | 03:56 PM

iamsuperbleeder

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Joined: Feb 2008

Posts: 12,248

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From: Lake City, Fl

possibly the fan clutch

it is in fact the fan clutch's job to move air through the radiator when at a stop

is it locking up like it suppose to when it starts warming up?

Aug 16, 2010 | 04:15 PM

swampfox

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Joined: Oct 2009

Posts: 879

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From: Nw Arkansas

i agree with bleeder, mine went out a couple weeks ago, the temp would creep up when idling and climbing large hills. i tried 2 used ones and ended up buying one for around $43.oo at autozone. you might blow out the radiator and check the fan belt but it sounds like clutch.