Corrections to Page 6E1-C4-4
6E1-C4-4 1.5L (VIN 7) DRIVEABILITY AND EMISSIONSIGNITION TIMING ADJUSTMENT
vAdjust
1. Connect the timing light lead to the Number 1 spark plug wire.
2. Loosen the distributor mounting bolt.
3. Using the timing light, align the notched line on the crankshaft pulley with the mark on the timing cover. While aligning the notched line on the crankshaft pulley with the timing light, adjust the ignition timing by turning the distributor clockwise or counterclockwise as required. See the timing specifications listed in the chart below.
4. After adjustment of the ignition timing, tighten the distributor mounting bolt.
SPARK PLUG WIRES
vInspect Check the spark plug wires for broken insulation. Check the terminals for corrosion or damage. Replace if necessary.
vMeasure Measure spark plug cables for resistance and replace the cables if the resistance deviates from the specified value. Refer to value in chart.
SPARK PLUGS
Spark plug inspection is an excellent way to determine overall engine performance and efficiency. If spark plug fouling is excessive, check the fuel and electrical systems for possible causes of trouble. If fuel and electrical systems are normal, install spark plugs of a higher heat range. If burning of the insulator and electrodes is considerable, install spark p lugs of a lower heat range.
FIGURE C4-3 - SPARK PLUG INSULATION RESISTANCE:
vInspect
1. Check the electrodes and the insulators for cracks. Replace if faulty.
2. Check the electrodes for wear and replace as necessary.
3. Check the gaskets for damage and replace as necessary.
vMeasure
1. Spark plug insulation resistance should be 50 megohms. Refer to Figure C4-3.
2. Spark plug gap should be 1.05 mm (0.04).
PARTS INFORMATION
PART NAME GROUP
Distributor Assembly ............ 2.361
Ignition Coil ................... 2.170
Dist Cap ......................... 2.367
Dist Rotor ...................... 2.382
Spark Plugs ..................... 2.270
Spark Plug Wire ................. 2.239
Vacuum Advance .................. 2.410
Pick-up Coil .................... 2.383
Ignition Module ................. 2.385