So I just put a 3 core radiator, thermostat, and water pump in!!i still run at 210+ ... What else can cause overheating???? ,also my oil pressure at cold idle is 80 then warm idle 65 70 amd driving at any speed is 75 80... Help guys why could this be happening???
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:drink:
heater control valve guy. i have same year....you need a new one, it wont leak and it looks visually like its fine......but they go bad near the firewall left side on engine above accumulator check valve (if you have AC, [that siver square thingy]) easy fix. they are cheap. cpnwrench :drink: |
I would guess the cold thicker oil will give higher pressure than warm/hot.
I would wonder, if the temp stays at 210 both in town and out around, if the new T-stat could be a suspect. I guess if it climbed fast to 210 then leveled off that might be a clue. |
Originally Posted by jeepguy93
(Post 1240116)
So I just put a 3 core radiator, thermostat, and water pump in!!i still run at 210+ ... What else can cause overheating???? ,also my oil pressure at cold idle is 80 then warm idle 65 70 amd driving at any speed is 75 80... Help guys why could this be happening???
Oil pressure may not be accurate. Check with mechanical gauge. |
Originally Posted by Firestorm500
(Post 1240174)
Overheating could be bad head or clogged cooling passages. Overheating, BTW, is in the red zone, 240+. 210 is not overheating.
Oil pressure may not be accurate. Check with mechanical gauge. As for the coolant temp, always a good idea to verify it by pointing an infrared point and shoot thermometer directly at the thermostat housing. There can also be inaccuracy in this circuit between the coolant temp sending unit and the coolant temp gauge in your dash. |
Yes I know but in traffic it will climb up there... And ill be doin the hcv soon! I plan on doin a tune up new fuel pumpand sending unit plugs cap rotor and wires as for head is it bad head or head gasket
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when was the last time you replaced the fan clutch and is aux cooling fan working
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Originally Posted by jeepguy93
(Post 1241302)
Yes I know but in traffic it will climb up there... And ill be doin the hcv soon! I plan on doin a tune up new fuel pumpand sending unit plugs cap rotor and wires as for head is it bad head or head gasket
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sending unit on the oil pressure could be wrong but my 90's oil pressure runs at 65 to 70 under load and at 60 at idle. was told by crysler that this was normal
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Originally Posted by Firestorm500
None of that will have the slightest effect on the alleged "overheating" condition. |
The #1 cause of "temperature creeping up" in traffic is a failing fan clutch.
Often overlooked, inexpensive and easy to replace. |
Originally Posted by tjwalker
The #1 cause of "temperature creeping up" in traffic is a failing fan clutch.
Often overlooked, inexpensive and easy to replace. |
Originally Posted by jeepguy93
(Post 1241744)
How do I know if its failing and where is it
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Originally Posted by Firestorm500
It is between the main mechanical engine cooling fan and the pulley. |
Get your jeep hot or overheating pop the hood with engine off and see if you can spin the mechanical fan if you can you need a new fan clutch
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