audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Non-Turbo|Page 3995 > < Spark Plug - Application Chart|Page 3992
Page 1
background image

Spark Plug: Specifications
Non-Turbo

Engine Code WU

Firing Order ............................................................................................................................................................................................................. 1-2-4-5-3
Ignition Timing (US) ..................................................................................................................................................................................... 6° +/- 1° BTDC
Ignition Timing (Canada) .............................................................................................................................................................................. 3° +/- 1° ATDC
Idle Speed ....................................................................................................................................................................................................... 730 - 780 RPM

Centrifugal Advance (US)

1700 RPM ......................................................................................................................................................................................................... 7° - 13°
2200 RPM ....................................................................................................................................................................................................... 15° - 20°
2800 RPM ....................................................................................................................................................................................................... 18° - 22°
4000 RPM ....................................................................................................................................................................................................... 18° - 22°
5500 RPM ....................................................................................................................................................................................................... 21° - 26°

Centrifugal Advance (Canada)

1700 RPM ......................................................................................................................................................................................................... 7° - 13°
2500 RPM ....................................................................................................................................................................................................... 17° - 22°
3300 RPM ....................................................................................................................................................................................................... 22° - 26°
5300 RPM ....................................................................................................................................................................................................... 22° - 26°
6100 RPM ....................................................................................................................................................................................................... 23° - 28°

Vacuum Advance ...................................................................................................................................................................................................... 10° - 14°

Vacuum Retard (Canada) ............................................................................................................................................................................................ 8° - 10°

Spark Plugs

Bosch ............................................................................................................................................................................................................... WR7DS
Beru ...................................................................................................................................................................................................................... RS35
Champion ........................................................................................................................................................................................................... N8GY

Spark Plug Gap

US ................................................................................................................................................................................ 0.7 - 0.8 mm (0.028 - 0.032 in)
Canada ......................................................................................................................................................................... 0.8 - 0.9 mm 90.032 - 0.036 in)

Non-Turbo|Page 3995 > < Spark Plug - Application Chart|Page 3992