With cold start knob on dash pushed in;
- Remove bolt from end of pump (always replace washer).
- Turn engine clockwise until flywheel is at TDC.
- Install adapter 2066 and dial gauge at end of pump.
- Preload dial gauge (about 3mm).
- Turn engine counter clockwise until dial gauge needle just stops moving.
- Zero gauge.
- Turn engine clockwise to TDC.
Gauge should read:
- 1.5 L engine
- 0.88 ± 0.05mm (1977-80)
- 1.15 + 0.05mm (1980 cars with yellow paint dot on advance cover)
- 1.6 L Turbo Diesel
- 1.00 ±0.05 (1982-83)
- 1.6 L engine
- 0.88 + 0.05 (1981 – 82)(and 1983 Pick-up)
- 0.95 + 0.05 (1983 Rabbit, Jetta, and 4000)
- 0.90 ± 0.05 (1983 Vanagon)
If necessary adjust and recheck.