Replaced cooling system, still overheating -
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post #1 of 3 Old 12-09-2010, 04:33 PM Thread Starter
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1987 XJ Cherokee 
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Replaced cooling system, still overheating

87 Wagoneer 4.0, replaced radiator, upper and lower radiator hoses, water pump, and took thermostat out and it still over heats in idle in about 5-10min. First over heated when dragging 500lb tree in reverse out in desert.

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post #2 of 3 Old 12-09-2010, 04:59 PM
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you may need to burp the system. do a search for how to properly do so. and put a thermostat back in!

Completely stock, and keeping it that way...

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Yea, and I thought it was one of the 11 Commandments:
11) Thou shalt love, cherish, and honor till death, thine square headlights above all other earthy things sayith the Lord.
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post #3 of 3 Old 12-09-2010, 05:18 PM
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Put the thermostat back in for sure (will over heat with out a thermostat) and is your fan clutch good also use a temp gun to check to see if you temp sensor if working

Didn't the 'check shock' light come on?
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1987 , over heating , radiator , wagoneer

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