temp guage spikes
Senior User
Joined: Dec 2004
Posts: 439
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From: North Of Pittsburgh
For some reason the condensor is not getting rid of the heat and it is staying in the rad. Try flushing the rad and cleaning the condensor. This may or may not help. You have a build up of heat somewhere. If I understand you right this only happens when you have the A/C on and then stops when the a/c is turned off correct. I will try my best to help you out.
Senior User
Joined: May 2004
Posts: 130
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From: Rock Hill, SC
Originally Posted by RedBoat
I had a similar problem and goofy as it sounds the fan clutch was bad.
'93 4.0L 205,000 miles
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Post Fiend
Joined: Jul 2005
Posts: 8,462
Likes: 4
From: Durant, OK (SOSU)
Originally Posted by 643NRK
...but I was thinking of replacing the fan because it has some cracks in it.
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Senior User
Joined: May 2004
Posts: 130
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From: Rock Hill, SC
Actually after reading a few of these threads I searched I believe it could be a blown head gasket.
A year or better ago my mother-in-law was driving it on the freeway and called me saying it was very sluggish. I could not find any problems and decided to drive it home (< 40 miles). About 10 miles into it I had to kick down on the way up a hill, and it started acting more sluggish until the muffler exploded. Everything seemed OK, so I drove it the rest of the way home, never saw the temp guage go HOT. Did not drive it much since it made it home, but have noticed the temp guage fluctuating when i would drive it. Thought it may have been just the thermostat or cooling system, and I now think it may be a head gasket. Any thoughts from anyone? I am going to do a compression check when I get a chance.
A year or better ago my mother-in-law was driving it on the freeway and called me saying it was very sluggish. I could not find any problems and decided to drive it home (< 40 miles). About 10 miles into it I had to kick down on the way up a hill, and it started acting more sluggish until the muffler exploded. Everything seemed OK, so I drove it the rest of the way home, never saw the temp guage go HOT. Did not drive it much since it made it home, but have noticed the temp guage fluctuating when i would drive it. Thought it may have been just the thermostat or cooling system, and I now think it may be a head gasket. Any thoughts from anyone? I am going to do a compression check when I get a chance.
Post Fiend
Joined: Jul 2005
Posts: 8,462
Likes: 4
From: Durant, OK (SOSU)
If they overheat, the'll blow the headgasket quite nicely. On my Ranger it blew between the rear two cylinders on the passenger side sometime before I bought it.
They are a wonderful nightmare to replace.
They are a wonderful nightmare to replace.
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