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-   -   Exhaust to turbo bolt keeps coming loose (https://www.evolutionm.net/forums/evo-x-general/742620-exhaust-turbo-bolt-keeps-coming-loose.html)

ChipperEvo Aug 15, 2017 08:18 AM

Exhaust to turbo bolt keeps coming loose
 
Hey all,

I wanted to see if anyone else has had any experience regarding the manifold bolt that keeps coming loose.

Out of the 4 bolts, only the bottom left corner one keeps coming loose.

I know bolts can loosen from heavy/hard driving but mine seems to come loose when under normal driving.

If the other 3 are tight, will it cause any leaks with that 1 bolt loosened up?

I am trying a locking washer to see if that helps.

splattj Aug 15, 2017 08:33 AM

Lock washer might help. Re-torquing to spec when the manifold is hot also helps.

LetsGetThisDone Aug 15, 2017 09:36 AM

Replace the gasket, and the bolts. Torque to 45ftlbs. And use the OEM convex spring washers. FP sells them. You use 2 per bolt like this
==()==, shouldn't have issues anymore.

ChipperEvo Aug 15, 2017 10:05 AM

thanks guys. I will try that.


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