Operation CHARM: Car repair manuals for everyone.

Ignition Timing: Adjustments

PREPARATION

1. Check engine condition (spark plugs, leaks in hoses, etc.).
2. Turn all accessories "OFF."
3. Warm engine to operating temperature.
4. Connect a tachometer and timing light to engine.

ADJUSTMENT


Test Connector:






1. Ground test connector (Green: 1-pin) with a jumper wire.
2. Check idle speed.

700 ± 20 rpm in "P" range

Fig. 34 Idle Adjustment:






3. If idle speed is not within specification, correct by turning air adjusting screw.

Timing Marks:






4. Check that timing mark (Yellow) on crankshaft pulley and mark on timing belt cover are aligned to specification:

8° ± 1° BTDC

Adjusting Timing:






5. If timing is not within specification, loosen distributor lock bolt and rotate distributor housing to adjust.
6. Tighten distributor lock bolt to 14 - 18 ft lb (19 - 25 Nm).
7. After adjustment, disconnect jumper wire from test connector.