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Join Date: Oct 2004
Location: Sometimes Sacramento, Most of the time Concord, CA
Posts: 185
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False Alarm?
out of nowhere my temperature gauge periodically moves eratically....sometimes saying it's at where it should be and most of the time right at the beginning of redline, and sometimes back to "normal"...
the thermostat is 4 months old, I just replaced the temperature sender for the gauge, and added a low temp thermo switch within the last month.... also because of this, once my fans turn on, they stay on pretty much the whole time i'm driving... i've been driving the car like this for about a month with no "problems"...i'm thinking maybe a low temp thermostat? or is there a problem with the signal being sent somewhere between the gauge and sender? ahhhhh this is no fun 
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1987 944 Naturally Animalistic "If you make the same mistake twice, doesn't that make a total of three mistakes?" |
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02-15-2006, 10:37 PM
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Parrothead member
Join Date: Jul 2003
Location: Monmouth county, NJ USA
Posts: 13,834
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Is your coolant level low? you might have air in the system. that would cause the guage to jump around also.
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Vinny Red '86 944, 05 Ford Super Duty Dually '02 Ram 3500 Diesel 4x4 Dually, '07Jeep Wrangler '62 Mercury Meteor '90 Harley 1200 XL "Live your Life in such a way that the Westboro Baptist Church will want to picket your funeral." |
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02-16-2006, 04:55 AM
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nope, coolant is at correct level, and I drained and filled and bled at least 3 times....
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1987 944 Naturally Animalistic "If you make the same mistake twice, doesn't that make a total of three mistakes?" |
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02-16-2006, 09:34 AM
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any other possibilities?
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1987 944 Naturally Animalistic "If you make the same mistake twice, doesn't that make a total of three mistakes?" |
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02-16-2006, 09:58 PM
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Location: Visalia, Ca
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well what fixed it for me was a groudn wire.. it's the one that's connected to the bell housing then goes to the firewall with a grounding strap thats about 6 inches long above that are a few brown 16 guage ground cables that may be loosed or may ned to be cleaned.. thats how it was reselved for my 83 anywho
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Jaime O. Thank god I crashed or i would never have owned a porsche 83 944 daily driver (clutch and tt time) 85 325e BMW T-boned R.I.P. |
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02-16-2006, 10:28 PM
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According to an article on Clark's garage, somebody posted that doing some cleaning on the back of the speedo cluster fixed theirs. Maybe you should read that article and see if yours is doing what theirs was.
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Tom 1990 944S2 Cabriolet 2002 Chevy Silverado 2500HD 2003 Maroon Ford F350 dually |
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02-17-2006, 02:08 PM
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ahhhhhh......I did replace my transmission at about the same time......maybe i missed something....I'll check....I'll also read it on clarks garage......thanks guys
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1987 944 Naturally Animalistic "If you make the same mistake twice, doesn't that make a total of three mistakes?" |
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02-17-2006, 07:46 PM
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now that i think of it.....my fans don't even run at the initial low speed, they run at full speed on the third temperature bar.....what should i check?
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1987 944 Naturally Animalistic "If you make the same mistake twice, doesn't that make a total of three mistakes?" |
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02-17-2006, 08:16 PM
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Almost sounds like a loose ground. Did you put all ground cables back in place when you replaced the transmission? Fix the fans first and see if that fixes the temperature gauge problem.
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Tom 1990 944S2 Cabriolet 2002 Chevy Silverado 2500HD 2003 Maroon Ford F350 dually |
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02-18-2006, 08:12 AM
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