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VN engine knock, help?

Hallsy02

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Jan 12, 2011
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Adelaide
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VN V6 Wagon
G'Day all,

Car (VN wagon auto V6 1991 S2) recently developed a knocking sound, ive had an old friend who is a retired mechanic have a look and listen, he seems to think its a piston/conrod knock. When driving the car the knocking sound is evident when in idle, or revving, also the throttle at times feels like it cuts off like the car dies then comes back to life.

If it is a piston/conrod knock what am i looking at to get it fixed approx price and involvement, or does any body seem to have other suggestions of what it could be.

Cheers all.
 
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