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my cousin has a loud ticking sound under the hood of his 92 z71 he power breaked the truck the other day and it now has started making a sound under the hood does anyone know what it could be or how to fix it?
 

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Does it sound after the truck has warmed up to operating temps?

If it does, possible lifter problem...Pull the intake and check the lifters and pushrods.

I've personally dealt with a 3.8 in the Wrangler that ticked (put new lifters and pushrods in) and found out after taking apart the head it was on... it was a part of a valve guide that was broke and making the noise.
 
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