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Manifold blowing on 72


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Not a five minute job but do able at home. Is it the gasket blowing or isnt everything tightened up correctly. How long since everything was off?

Stuart.

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If you remove the throttle bodies it is a good time to clean and inspect these. And replace worn spindles, bearing linkage bushes (3 off) etc if needed. 
Are you sure it is not the gasket lower from the downpipes to manifold?

Waldi

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If an exhaust gasket is blowing significantly you can usually hear a puffing sound as the exhaust pressure pulses pass the leaking joint.

If you can't hear them and you can still see leakage discoloration at a joint you probably only need to tighten the manifold or downpipe gasket bolts.

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