volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Checking and adjusting ignition timing > < Safety precautions
Motronic injection and ignition system
Servicing ignition system
Adjustment data, Spark plugs

Engine code

AER

AEX, ANX, APQ

AKV

ALL

Ignition timing1)

Test value

3...8 ° before TDC

Adjustment value

6±1 °before TDC

Speed

1400...1600 rpm2)

Firing order

1-3-4-2

Spark plugs1)

VW/Audi

101 000 036AA;
101 000 050AC;
101 000 040 AD

101 000 036AA;
101 000 050AC;
101 000 040 AD

101 000 036AA;
101 000 050AC;
101 000 040 AD

101 000 036AA;
101 000 050AC;
101 000 040 AD

Manufacturer's designation

BUR6ET;
W7LTCR;
14GH-7DTUR

BUR6ET;
W7LTCR;
14GH-7DTUR

BUR6ET;
W7LTCR;
14GH-7DTUR

BUR6ET;
W7LTCR;
14GH-7DTUR

Electrode gap

BUR6ET, 14GH-7DTUR:
0,7...0,9 mm
W7LTCR:
0,9...1,1 mm

BUR6ET, 14GH-7DTUR:
0,7...0,9 mm
W7LTCR:
0,9...1,1 mm

BUR6ET, 14GH-7DTUR:
0,7...0,9 mm
W7LTCR:
0,9...1,1 mm

BUR6ET, 14GH-7DTUR:
0,7...0,9 mm
W7LTCR:
0,9...1,1 mm

Tightening torque

25 Nm

1)     The up-to-date figures and the spark plug change intervals:

=> Exhaust emissions test binder

2)     The rpm is increased by the 1AV control unit in "04 basic setting" function.

Checking and adjusting ignition timing > < Safety precautions