chevrolet Workshop Repair Guides

Chevrolet Workshop Service and Repair Manuals

Engine - Increased Oil Consumption|Page 2282 > < Engine - Increased Oil Consumption
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Important:

Always check engine oil on a level surface, be sure that the engine has been run until it has reached operating temperature and that the engine has
been off for at least 5 minutes to allow for proper oil drain-down. If oil consumption is greater than that listed above, proceed with Step 4.

4.

Install a revised valve rocker arm cover GM P/N 24577253 using procedures outlined in the Engine Mechanical Section of the appropriate Service
Manual.

5.

If the owner of the vehicle still has a concern with engine oil consumption after it has been determined that the latest design cover is installed.
Perform further inspection of engine components for items that may cause increased oil consumption and repair as necessary. Possible causes of
increased oil consumption include the following conditions:

^

External oil leaks

^

Incorrect oil level or improper reading of oil level indicator

^

Improper oil viscosity

^

Continuous high speed driving and/or severe usage such as towing, or driving in mountainous terrain

^

Blocked cylinder head, cylinder head gasket, or engine block oil drain holes

^

Valve guides and/or valve stem oil seals worn, or the seal omitted

^

Piston rings broken, improperly installed, missing, worn, or not seated properly

^

Pistons improperly installed or improperly fitted

Parts Information

Part Number

Description

24577253

Cover, Valve Rocker Arm

Parts are currently available from GMSPO.

Warranty Information

For vehicles repaired under warranty, use:

Labor Operation

Description

Labor Time

J0308

Cover and/or Gasket
Rocker - Replace;

0.5 hr

J Car

J0308

Cover and/or Gasket
Rocker - Replace;

0.8 hr

S Truck

Engine - Increased Oil Consumption|Page 2282 > < Engine - Increased Oil Consumption