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Weird Temperature Gauge


 
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Icewind
Member


Joined: 23 Oct 2004

PostPosted: Sat Oct 23, 2004 4:48 pm    Post subject: Weird Temperature Gauge Reply with quote

When I start my jeep the temp will be fine and not rise to fast, but when it gets to the middle it will slowly go all the way to the red line and then back down to the mid. After that it will slowly creep past middle, sometimes reaching the red line.

Also it seems to stay at the middle depending how fast I am going or if I am moving or stading still.

If you have any help to what this may be pls let me know.

I have an 1989 Cherokee Pioneer.
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majikxms
Moderator
Moderator


Joined: 18 Feb 2004

PostPosted: Sat Oct 23, 2004 6:31 pm    Post subject: Reply with quote

Sounds like the thermostat has gone bad. It does register that the engine is running hot, but only when it's hotter than it should be. When the thermostat opens is when you have the temperature decreasing back to the middle (approximately 190 degrees) that's what it's supposed to do, but it is doing it only after it reaches an abnormally hot temperature. My '90 started doing something very similar, I replaced the thermostat and it fixed the problem. Might as well flush the coolant while you have the hose off.
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Icewind
Member


Joined: 23 Oct 2004

PostPosted: Mon Oct 25, 2004 1:08 pm    Post subject: Reply with quote

Alright I will try that.

Also when you replace a water pump is it better to put some silicon on with the seal that comes with it, or just the seal?
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swamp boy
Cherokee Muderator
Cherokee Muderator


Joined: 01 Jan 2004
Location: New Orleans LA.

PostPosted: Mon Oct 25, 2004 6:35 pm    Post subject: Reply with quote

Never hurts to add a little RTV.. I use it on everything... Mr. Green
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Unless you include the sawzall work..

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