Guest BarelyFit Posted May 14, 2012 Share Posted May 14, 2012 Saturday I was driving down south to see my mom. It was in the high 90s. Most of the trip was uneventful, but after an hour of driving at 65 the temp gauge was creeping up to the 3/4 mark. It has never done this before. I slowed to 60 and it stayed there, for a while. It then crept a bit over the 3/4 but never into the HOT zone. I pulled over and checked the coolant level. The reservoir, it was churning but not overfilled or empty. I have driven in the heat plenty of times before, AC was not on as the top was down. Got any clues as to why the change in the temp reading? Link to comment Share on other sites More sharing options...
rofly1 Posted May 14, 2012 Share Posted May 14, 2012 Mine did that a few times. I replaced the thermostat and it stopped. Roger Link to comment Share on other sites More sharing options...
Guest My TC Toy Posted May 15, 2012 Share Posted May 15, 2012 I agree, it does sound like the t'stat is not fully opening. If replacing I would suggest spending a couple extra bucks for the better t'stat, like a Stant. Link to comment Share on other sites More sharing options...
franc944 Posted May 15, 2012 Share Posted May 15, 2012 (edited) Replacing the tc t-stat is the easiest job I ever did on it. Yours is probable stuck almost closed.My t stat had split in two! I had to pick retainer, spring, and rubber seal out of the lower intake manifold.I know many like pure rtv but if you pick up the t-stat gasket for $1.80 it makes the job even easier and neater and less likely to leak. 20ft # on bolts? Edited May 15, 2012 by franc944 (see edit history) Link to comment Share on other sites More sharing options...
Hemi Dude Posted May 16, 2012 Share Posted May 16, 2012 Replacing the tc t-stat is the easiest job I ever did on it. Yours is probable stuck almost closed.My t stat had split in two! I had to pick retainer, spring, and rubber seal out of the lower intake manifold.I know many like pure rtv but if you pick up the t-stat gasket for $1.80 it makes the job even easier and neater and less likely to leak. 20ft # on bolts?I can see that you have a 3.0L as that is the only thermostat that falls apart. This doesn't happen with the thermostats on the American built engines.As for a gasket, it is much more likely to leak than RTV applied properly. Link to comment Share on other sites More sharing options...
franc944 Posted May 17, 2012 Share Posted May 17, 2012 I know the engine is Mitsubishi design but wasn't it made in Mexico?I can see that you have a 3.0L as that is the only thermostat that falls apart. This doesn't happen with the thermostats on the American built engines.As for a gasket, it is much more likely to leak than RTV applied properly. Link to comment Share on other sites More sharing options...
Hemi Dude Posted May 18, 2012 Share Posted May 18, 2012 I know the engine is Mitsubishi design but wasn't it made in Mexico?Pardon me; HECK NO! The TC was built in Milan Italy, the 3.0L engines are built by Mitsubishi motors, altered to Chrysler's specs. Link to comment Share on other sites More sharing options...
Guest Jim_McNally Posted May 18, 2012 Share Posted May 18, 2012 I know the engine is Mitsubishi design but wasn't it made in Mexico?I think what Hemi was referring to is that the 4 cyl turbo engines were made in the US (although you can argue about where which parts came from on the 16V...)Jim Link to comment Share on other sites More sharing options...
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