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Unread 03-11-2003, 10:37 AM   #1
MRfire
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Join Date: Dec 2002
Location: Concord, Ohio
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steam from radiator...

I have a 5.9 limited, and intermittently, when I'm stopped at a light or just sitting in park - steam will rise from my front end. I notice no problems with the temp gage, etc. Should I be concerned about this?? Thanks for any insight.

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Unread 03-12-2003, 08:29 PM   #2
Swamp Boy
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Temp gauge may be wrong but most likely you need a new radiator cap. Sometimes when they go bad they start leaking and
you get the steam thing.. Keep and eye on coolant level and the resevior if the resivoir is dry this might be your problem.
No mater what radiator cap= cheap
Motor with no water= expensive..
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Unread 03-13-2003, 09:01 AM   #3
MRfire
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Thanks for the reply, I'll replace the cap just in case. Also, I was thinking of getting the 180* thermostat. What benefits will this provide, if any? Thanks again.
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98' Grand Cherokee 5.9 Limited
- FIPK
- Mopar ECU
- Kuhmo Ecsta STX Tires
- Roto-tec Cross/slotted rotors
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Unread 03-16-2003, 12:20 AM   #4
Speedtoy
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Quote:
Originally posted by MRfire
Thanks for the reply, I'll replace the cap just in case. Also, I was thinking of getting the 180* thermostat. What benefits will this provide, if any? Thanks again.
IMHO..none.

A cooler stat can affect fuel milage/efficiency, and in borderline cooling situations can cause overheating (cycle time thru the radiator is important to cooling, speeding up the cycle time is bad in edge conditions).
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Unread 03-16-2003, 09:21 AM   #5
Swamp Boy
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1993 ZJ 
 
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I have the Jet racing chip and the 180 thermostat and I live in the heart of hell .. I have never had problems with overheating..and
my ZJ runs great..
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