Help us help you. By posting the year, make, model and engine near the beginning of your help request, followed by the symptoms (no start, high idle, misfire etc.) Along with any prevalent Diagnostic Trouble Codes, aka DTCs, other forum members will be able to help you get to a solution more quickly and easily!

2011 GMC Terrain 2.4L SLE : Overheating and no hot air blowing from heater core

  • Tyler
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6 years 9 months ago #30738 by Tyler
That's definitely one to keep in mind for the future. :ohmy: Thanks for the follow up.

I'd be very interested to see how the chain was sitting on the water pump sprocket when they took the timing cover off. The sprocket had to have been at least trying to spin with the chain, otherwise Robert wouldn't have been able to drive it as much as he did.

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  • robert.lesaca
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6 years 9 months ago #30816 by robert.lesaca
Yes, the engine would struggle when overheated...i guess PCM wanting to protect engine by shutting down which is what owner experience.

THANKS all...

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6 years 9 months ago #30837 by chasencai
I find a car repair blog on your problem,and i share it here,hope it can help forum friend.
www.car-auto-repair.com

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  • TheTechWhisperer
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6 years 9 months ago #30887 by TheTechWhisperer
I've seen at least 10 of these ecotecs with broken water pump chains just this year. You just take the 3 bolts off the access cover and try to move the gear with your finger (engine off obviously). If the gear moves, the chain is broken. The local parts stores stock the whole kits with guides, because it is so common.

I didn't read through the comments, so if someone already suggested this, then just ignore me

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