Suzuki K6A-YH6 - Excessive Engine Noise; Excessive Engine Vibration; White Exhaust Smoke

DIAGNOSTIC TROUBLESHOOTING
6-5
6
Excessive engine noise. Valve train noise. Check valve clearance. (See “Valve
Clearance Check and Adjustment” on
page 5-3.)
Crankshaft/connecting rod noise. Check crankshaft, connecting rods, and
bearings. (See “Lower Crankcase,
Cylinder Block, and Crankshaft” on
page 7-42.)
Check pistons, piston rings, piston pins,
and small end of connecting rod. (See
“Connecting Rods and Pistons” on
page 7-38.)
Faulty timing chain or tension adjuster. Check timing chain and tensioner. (See
“Timing Chain” on page 7-14.)
Exhaust leak. Check exhaust manifold. (See “Exhaust
Manifold” on page 7-7.)
White exhaust smoke. Coolant leaking into cylinder. Check cylinder head. (See “Cylinder
Head” on page 7-24.)
Check head gasket. (See “Cylinder Head”
on page 7-24.)
Check cylinder liners. (See “Lower
Crankcase, Cylinder Block, and
Crankshaft” on page 7-42.)
Excessive engine v bration. Loose or faulty crankshaft pulley. Check crankshaft pulley. (See “Crankshaft
Pulley” on page 7-37.)
Loose or faulty flywheel/flex plate. Check flywheel/flex plate.
Condition Probable Cause Remedy