 Running hot? |
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| MikeM |
 May 15 2011, 10:12 PM
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#1
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Senior Member  Group: Members Posts: 564 Joined: 16-May 10 From: Calgary, Canada Member No.: 11,733 Region Association: Canada  |
Guys....what is the first thing you do if you suspect your car is running hot?
I took my car for a drive tonight. Nice and cool here tonight but soon the needle on the temp. gauge was touching the "p" in TEMP. It did jump up a bit when I turned on the headlights but I think it's too hot!!! BTW...I'm experimenting with the flaps, and it makes no difference if they are in the hot position or the cold position. Thanks, Mike 74 2.0 liter |
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Replies(1 - 4)
| Elliot Cannon |
May 15 2011, 10:31 PM
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#2
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914 Guru Group: Retired Members Posts: 8,487 Joined: 29-December 06 From: Paso Robles Ca. (Central coast) Member No.: 7,407 Region Association: None 
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You might be getting a bogus reading on your gauge. Why would the temp jump up when you turned on the lights? My cyl head temp would jump 300 degrees when I turned on my lights and I think it was because the wire for the cht was jammed against the cooling tin very hard. I had VERY tight spark plug grommets pushing against the wire. Check the wiring from the sender to the gauge. Maybe the insulation has worn off somewhere and is touching metal. (Or maybe your engine is just running hot). (IMG:style_emoticons/default/confused24.gif)
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| Dave_Darling |
May 16 2011, 01:09 AM
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#3
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914 Idiot Group: Members Posts: 14,986 Joined: 9-January 03 From: Silicon Valley / Kailua-Kona Member No.: 121 Region Association: Northern California
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Did this just start? If so, check for debris in your fan. Also check that the thermostat flaps are operating; in particular make sure they open all the way when the engine is warm.
--DD |
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| mburkhart |
Jun 9 2011, 04:03 PM
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#4
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Member Group: Members Posts: 112 Joined: 3-July 05 From: Chester, MD Member No.: 4,364 Region Association: MidAtlantic Region |
QUOTE(Dave_Darling @ May 15 2011, 11:09 PM)  Did this just start? If so, check for debris in your fan. Also check that the thermostat flaps are operating; in particular make sure they open all the way when the engine is warm. --DD Can someonw post some photos on what the flaps should look like in the closed and open positions? My car is also runnimg hot all of a sudden this year too. |
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| Dave_Darling |
Jun 9 2011, 06:25 PM
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#5
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914 Idiot Group: Members Posts: 14,986 Joined: 9-January 03 From: Silicon Valley / Kailua-Kona Member No.: 121 Region Association: Northern California
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Pics don't do a lot of good with these, since the flaps are hidden under the engine tin.
The cross-shaft that connects the flaps together runs across the engine in front of the oil filler tower. There is a tab on it, with a spring hooked onto the tab. The spring pulls the tab upward. The cable from the thermostat pulls the tab down and aft. If there is no cross-shaft, someone removed it and probably at least the driver's side flap. That is not great, but not horrible. It is possible that they also removed the passenger's side flap. That is horrible; it will keep most of the air from flowing through the oil cooler. You'll have to pull off the upper engine tin on the right side of the motor to verify, which is a pain in the butt. --DD |
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