Engine Noise Under Load. Buick Rendezvous

For 1990-2009 cars only

Makes 🢒 Buick 🢒 2006 🢒 Rendezvous - AWD 🢒 Engine 🢒 Engine Mechanical - 3.5L 🢒 Engine Noise Under Load

Cause

Correction

Low oil pressure

•	Perform an oil pressure test. Refer to Oil Pressure Diagnosis and Testing .

•	Repair or replace as required.

Detonation or spark knock

Verify the correct operation of the knock sensor system. Refer to Electronic Ignition (EI) System Description .

Loose torque converter bolts

•	Inspect the torque converter bolts and flywheel.

•	Repair as required.

Cracked flywheel - automatic transmission

•	Inspect the flywheel bolts and flywheel.

•	Repair as required.

Excessive connecting rod bearing clearance

Inspect the following components, and repair as required:

•	The connecting rod bearings

•	The connecting rods

•	The crankshaft

Excessive crankshaft bearing clearance

Inspect the following components, and repair as required:

•	The crankshaft bearings

•	The crankshaft journals

•	The cylinder block crankshaft bearing bore