VIN | |
Technician | |
Date | |
Intake lash | 0.22 mm±0.025 (0.0087 in.±0.00098) |
Exhaust lash | 0.32 mm±0.025 (0.0126 in.±0.00098) |
Important notes:
- Valve numbers correspond to the "cast-in" number in the cylinder head casting located at each valve tappet.
- Always measure shim, never trust bin location or etched size.
- Photocopy this form for use on each valve lash adjustment.
Cylinder | Valve Number | Valve Type | Initial Lash Measure-ment | Installed Shim Measure-ment | Valve Lash Upper Limit mm (in.) | Valve Lash Lower Limit mm (in.) | NEW SHIM LOWER LIMIT Calculate Columns (1)+(2)-(3) | NEW SHIM UPPER LIMIT Calculate Columns (1)+(2)-(4) | DESIRED SHIMSIZE Calculate Columns (L+U)/2=(S) | Shim Size Chosen that is closest to column (S) | Final Lash Reading |
(1) | (2) | (3) | (4) | (L) | (U) | (S) | |||||
Front | 1 | Exhaust | 0.345 (0.0135) | 0.295 (0.0117) | |||||||
2 | Exhaust | 0.345 (0.0135) | 0.295 (0.0117) | ||||||||
3 | Intake | 0.245 (0.0096) | 0.195 (0.0078) | ||||||||
4 | Intake | 0.245 (0.0096) | 0.195 (0.0078) | ||||||||
(1) | (2) | (3) | (4) | (L) | (U) | (S) | |||||
Rear | 5 | Intake | 0.245 (0.0096) | 0.195 (0.0078) | |||||||
6 | Intake | 0.245 (0.0096) | 0.195 (0.0078) | ||||||||
7 | Exhaust | 0.345 (0.0135) | 0.295 (0.0117) | ||||||||
8 | Exhaust | 0.345 (0.0135) | 0.295 (0.0117) |