Our 99 suburban with 5.7 keeps blowing out intake manifold gaskets. What could be the problem. It has been to three different shops including a GMC dealership. None have nay answers

Asked by Sep 02, 2014 at 12:53 PM about the 1999 GMC Suburban K1500 SLT 4WD

Question type: Maintenance & Repair

2 Answers

Warped manifold maybe

Dealer replaced after 2nd blow out. It doesn't appear warped with straight edge.

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