All Models (Engine Installed)

Set crankshaft to TDC on No. 1 cylinder and align marks on flywheel and clutch housing. Check marks on injection pump sprocket and mounting plate.
If timing adjustment is necessary, remove plug from injection pump cover and install adapter and dial indicator in place of plug. On Audi models only, loosen cold start device cable by loosening screw No. 1 and turning clamp 90°. See Fig 1.

Fig 1: Loosening Cold Start Device Screw No. 1.
Courtesy of NOT AVAILABLE

CAUTION: Do not loosen screw No. 2 or pump recalibration will be necessary.
Preload dial indicator to 0.097" (2.5 mm). Turn engine slowly counterclockwise until dial indicator needle stops moving. Zero indicator.
Turn engine clockwise until TDC mark on flywheel is lined up with reference mark. Check dial indicator reading against specifications.

Fig 2: Preloading Injection Pump With Dial Indicator (2066)
Courtesy of NOT AVAILABLE
If necessary, loosen bolts on mounting plate and support. Turn pump to adjust timing and tighten bolts. Recheck dial indicator readings. On Audi vehicles, turn clamp on cold start device back 90° to original position and tighten screw No. 1.

Injection Pump Timing Specifications

Application

Dial Indicator Reading

Audi

.033" (.85 mm)

Volkswagen

Dasher & Vanagon

.034" (.86 mm)

Rabbit & Rabbit Pickup⁽¹⁾

.045" (1.15 mm)

⁽¹⁾	Only those models with yellow paint mark on pump advance cover. Models without paint dot.034" (.86 mm).