Cause
| Correction
|
Worn, damaged or loose rocker arm
|
| • | Inspect the valve rocker arms. |
| • | Repair or replace damaged components as required. |
|
Worn,
damaged, loose or bent valve push rod
|
| • | Inspect the valve push rods. |
| • | Repair or replace damaged components as required. |
|
Worn,
damaged or stuck valve, carbon on the valve stem or valve seat
|
| • | Inspect the valve guides. |
| • | Repair or replace damaged components as required. |
|
Worn,
damaged or dirty valve lifter
|
| • | Inspect the valve lifters. |
| • | Repair or replace damaged components as required. |
|
Worn
or damaged camshaft lobe
|
| • | Inspect the valve lifters. |
| • | Repair or replace damaged components as required. |
|
Worn,
damaged or loose timing chain and sprockets
|
| • | Inspect the timing chain and sprockets. |
| • | Repair or replace damaged components as required. |
|