Engine temp issues...what's going on?
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Thread: Engine temp issues...what's going on?

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    HarleyGTP is offline [OP]
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    Engine temp issues...what's going on?

    2014 Cruze diesel 185k. I've noticed over the last few days more fluctuation in the temp gauge, but no overheating. Temps lower significantly at idle with heat on. Also get a very faint smell of coolant after shutdown. No visible leaks or coolant lose. Car never did this in the past, always very steady at 1 click below half. Any ideas??
    2014 Chevy Cruze Diesel, full delete.
    1995 Dodge Ram 2500 Diesel "Nancy"
    2004 Harley-Davidson Road King Custom
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    Site Sponsor Greg@IDParts's Avatar
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    I would inspect the water pump to see if that is leaking at all.
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    HarleyGTP is offline [OP]
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    Quote Originally Posted by [email protected] View Post
    I would inspect the water pump to see if that is leaking at all.
    Thanks, I was going to do another timing belt at 100k, maybe I'll push that timeline up.
    2014 Chevy Cruze Diesel, full delete.
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    Quote Originally Posted by HarleyGTP View Post
    2014 Cruze diesel 185k. I've noticed over the last few days more fluctuation in the temp gauge, but no overheating. Temps lower significantly at idle with heat on. Also get a very faint smell of coolant after shutdown. No visible leaks or coolant lose. Car never did this in the past, always very steady at 1 click below half. Any ideas??
    That's how my Cruze was about a month or so ago. Turned out to be the union between the Water Outlet Housing & the hose to the Reservoir. Took it quite a few weeks before the DIC started displaying messages that the engine was getting HOT and about to overheat.
    Chris

    2014 Cruze Eco - Limo-tint (back doors, rear window, & top of windshield), blacked out bowties
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    2nd Gear CRUISE-CRUZE's Avatar
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    Quote Originally Posted by HarleyGTP View Post
    2014 Cruze diesel 185k. I've noticed over the last few days more fluctuation in the temp gauge, but no overheating. Temps lower significantly at idle with heat on. Also get a very faint smell of coolant after shutdown. No visible leaks or coolant lose. Car never did this in the past, always very steady at 1 click below half. Any ideas??
    You are overheating and boiling the coolant without even know it. If they use the same gauge as 1.4T then you will always see the temperature "in the range". Read the temp from OBD to get a better idea...
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    Quote Originally Posted by CRUISE-CRUZE View Post
    You are overheating and boiling the coolant without even know it.
    And the boiling implies a leak somewhere, right? Maybe the cap is not sealing?

    Doug

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    HarleyGTP is offline [OP]
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    After doing a few hours of digging on this site and the fact that I haven't lost any coolant over the past few days from this issue, I'm going to diagnose this as a stuck-open thermostat. Ordered a new water outlet housing and hopefully, that will fix the problem.
    2014 Chevy Cruze Diesel, full delete.
    1995 Dodge Ram 2500 Diesel "Nancy"
    2004 Harley-Davidson Road King Custom
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