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1998 GC 4.0 heats up fast completely stumped


 
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doggn8
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Joined: 24 Jun 2007
Location: Minny Apple Less

PostPosted: Mon Jun 25, 2007 11:17 am    Post subject: 1998 GC 4.0 heats up fast completely stumped Reply with quote

New radiator, Thermostat, water pump seem fine, temp sensor checks out fine, recent flush. Temp starts to rise to 1/4 way up on gauge in about a minute. exhaust manifold extremely hot in way under a minute. any ideas???????????
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5.9 andy
Member


Joined: 15 Feb 2007

PostPosted: Mon Jun 25, 2007 2:51 pm    Post subject: Reply with quote

are ur RPM's running standard?

super high octane gas??

realy hot outside?...park in the sun??

do u have engine oil???

i dun know....ur gues is as good as mine but these are the first things that poped into my mind. BTW some are more serious thoughts than others.
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Teriod
Member


Joined: 19 Jun 2007
Location: California

PostPosted: Mon Jun 25, 2007 3:08 pm    Post subject: Reply with quote

blocked water index
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monkeyman3875
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Joined: 06 Jul 2005
Location: Charlotte, NC

PostPosted: Mon Jun 25, 2007 3:17 pm    Post subject: Reply with quote

X2 on Check oil level
_________________
-1997 Stock XJ
-4.0 L
-4-speed automatic
-130k Miles (and counting)-> let me know of any preventative maintenance you guys can think of. PM me.
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swamp boy
Cherokee Muderator
Cherokee Muderator


Joined: 01 Jan 2004
Location: New Orleans LA.

PostPosted: Mon Jun 25, 2007 4:30 pm    Post subject: Reply with quote

?????????? Wow thats a good one... Have you tried taking the thermostat out and running without it..
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BONE STOCK
Unless you include the sawzall work..

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