Chevrolet TSB #G-158840
2013 Chevrolet Malibu
Affected Component: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM
- Summary
- 13013A - Service Update (revised service procedures ). The ring gasket may be pinched between the flanges on the inside diameter of the joint leading to a visible gap. As the pinched part of that gasket relaxes, clamp load is lost at that stud location. Dealers are to tighten all 4 exhaust manifold bolts.