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    Thread: Coolant pipe replacement on '06 Aveo?

    1. #1
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      Coolant pipe replacement on '06 Aveo?

      I was disconnecting a heater hose (firewall to block), and the plastic connector at the coolant pipe snapped on me. It looks like I'll need to replace the coolant pipe which sits behind the engine. Does anyone have instructions? I can't find it in my service manual.



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      I saw this post, but it's for the heater hose itself. I think you can get to the hose from the top with long needle-nose pliers. But damage on my car is the coolant pipe that's bolted to the block, so that whole pipe needs to be replaced.

      There's NOTHING in the service manual on how it comes out. I found one Youtube video where the guy removes the starter (similar to BlueBird94 comment in thread above), and comes in from below. I think I'm going to try that instead of removing the intake manifold.

      I'll get underneath the car with an inspection camera today. If I figure it out, you guys will be the first to know!

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      you can always cheat

      Quote Originally Posted by zchandran View Post
      I was disconnecting a heater hose (firewall to block), and the plastic connector at the coolant pipe snapped on me. It looks like I'll need to replace the coolant pipe which sits behind the engine. Does anyone have instructions? I can't find it in my service manual.

      I had the same problem, finished up epoxying a piece of brass tube into the stub of the pipe on the block. I also went cheap and tried to use a piece of generic heater hose. After a rather chilly Pittsburgh winter, I broke down and bought one that actually fit and didn't kink in the bends. It's been 4 years since I "fixed" the pipe and 3 since I replaced the hose, no leaks and working heat in the winter!

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      I have replaced it. Had to remove the starter and the bracket for the intake manifold. Mostly worked from below. After both of these are out of the way it's pretty easy. I think it's two bolts and a spring clamp. Prepare to get soaked with antifreeze!

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      zchandran (10-28-2020)

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      I considered a quick-fix epoxy job, but that hose that connects the coolant pipe to the engine is original, so that's a ticking time bomb as well. I got sidetracked fixing the brakes on my other car so that I would have something to drive, but I'm getting the Aveo up on jackstands this weekend, and checking it out from the bottom. Removing the starter and bracket is the current plan.





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