Engine Noise Under Load. Saturn VUE

For 1990-2009 cars only

Makes 🢒 Saturn 🢒 2002 🢒 VUE - AWD 🢒 Engine 🢒 Engine Mechanical - 2.2L (L61) 🢒 Engine Noise Under Load

Cause

Correction

Important: A cold piston knock which disappears in 1.5 minutes should be considered acceptable. A cold engine knock usually disappears when the specific cylinder secondary ignition circuit is grounded out during diagnosis.

DEFINITION: A low rumble/knocking may indicate a crankshaft or piston, lower engine concern.

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 ignition. Refer to Detonation/Spark Knock in Engine Controls - 2.2L.

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