Engine Mechanical
- Check and inspect engine mechanical for the following:
- Check compression. See COMPRESSION
under MECHANICAL INSPECTION under PRELIMINARY INSPECTION & ADJUSTMENTS in BASIC DIAGNOSTIC PROCEDURES - 3.8L BONNEVILLE, GRAND PRIX, IMPALA, LESABRE, MONTE CARLO, PARK AVENUE & REGAL article.
- Sticking or leaking valves, worn camshaft lobes, valve timing, bent push rods, worn rocker arms, broken valve springs or excess oil in combustion chambers. See appropriate article in ENGINES.
- Inspect for incorrect basic engine parts, such as camshaft, cylinder heads, pistons, etc. See appropriate article in ENGINES.