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EL XR6 sucking air

8K views 5 replies 3 participants last post by  Randimm 
#1 ·
Hi, all my XR6 has developed an air leak( it is sucking air) but only at idle.. it runs very rough at idle but once above that it runs like a dream... any ideas before i start pulling things off and looking ofr a pin hole would be appreciated.. thanks, also, when i turn the engine off, for a brief moment i can hear it suck air
 
#4 ·
Often the inlet manifold gasket at number 1 or number 6 cylinder at the lower part of the manifold. The manifold nuts loosen over time and the bottom of the gasket burns out. Take a length of windscreen washer sized tubing and stick one end in your ear and the other end under the manifold and if this is the cause you should hear the sucking noise while its idling.
 
#6 ·
Often the inlet manifold gasket at number 1 or number 6 cylinder at the lower part of the manifold. The manifold nuts loosen over time and the bottom of the gasket burns out. Take a length of windscreen washer sized tubing and stick one end in your ear and the other end under the manifold and if this is the cause you should hear the sucking noise while its idling.
Yep you were right, leaking at the top of the gasket on number 6.. thanks
 
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