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Manifold Fix


swooshdave

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When I was balancing my throttle bodies someone, probably docc, said make sure they aren't stripped. Of course they are. As I'm not a fan of the Helicoil I'm fixing it once with Timesert.

 

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Step by step to follow.

 

 

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It is a threaded "sleeve" as a Heli-Coil is like a spiral wire .

One can fail from repeated use. One cannot.

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There are a lot of aluminum engines that come with Heli-Coils installed in every threaded hole.

If it was a part that never came apart it would be fine. But spark plug holes or these manifolds are constantly being used so the failure rate will be higher with the helcoil.

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I stopped taking a plug fastener in and out of my intakes for throttle body balancing after I stripped one and returned to the brass taps and rubber caps.

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I undid the 4 screws holding the TB. Two on top, two on the bottom. I'm taking the TB off so I can clean out out any debris from the operation.

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Using the supplied drill open up the hole slightly.

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Using the supplied countersink drill.

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Using the supplied tap thread the hole.

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Screw the insert onto the installer tool. Be sure to use a little oil so the insert comes off the tool easier.

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Screw the insert in until you feel resistance. Then keep going. This expands the insert and locks it in place. Then unscrew the tool.

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Finished fix.

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Vacuum and clean out the manifold before reassembly. You have now permanently fixed the manifold. As they say repeat on the other side.


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