Volkswagen Workshop Service and Repair Manuals

Engine codes EM, FB, FH, FK, FN, FP, FT, HN, JB

Note:

Components marked with ** feature M4 ignition cable connections 07.84 ▸.The two version are not mutually interchangeable.

Distributor data =>page 28-13

Adjustment data, spark plugs =>page 28-5

• Suppression plug**
• ◆ For radio interference suppression
  0.6...1.4 kohms
• Ignition leads**
• ◆ Check for continuity
• Shielding ring
• ◆ For radio interference suppression

• Ignition coil
• ◆ Primary resistance:
  1.7...2.1 ohms
  (between term. 1 + 5)
• ◆ Secondary resistance:
  7...12 K ohms
  (between term. 1 + 4)
• Resistance lead
• ◆ Watch length on renewal
• ◆ ▸09.75 series res.
• Terminal 15 (+)
• Terminal 1 (-)
• Terminal 4**
• 8 Nm
• Clip
• Distributor cap**
• ◆ Watch for cracks and traces of leakage current
• ◆ Check contact wear
• ◆ Clean before fitting
• ◆ Before removal, loosen fastener of earth cable of shielding ring

• Carbon brush with spring
• ◆ Check for wear, damage and freedom of movement
• Rotor arm
• ◆ 4...6 kohms
• Dust cap
• Vacuum unit
• ◆ In some cases double unit with retard connection
• ◆ Leakage test: checking ignition timing =>page 28-25
• ◆ Checking vacuum advance: checking ignition timing =>page 28-25
• ◆ Checking control of vacuum advance: Checking ignition timing =>page 28-25
• Breaker contact
• ◆ Lubricate camway, plastic block and pin with multipurpose grease
• ◆ Checking and adjusting the dwell angle and ignition point =>page 28-23

• Distributor
• ◆ Checking and adjusting the dwell angle and ignition point =>page 28-25
• ◆ Checking ignition timing =>page 28-25
• ◆ Installing =>page 28-21
• Ignition capacitor
• Gasket
• ◆ Renew
• Clamp
• 25 Nm
• Spark plug connector**
• ◆ With shielding
  4...6 kohms
• ◆ Without shielding
  0.6...1.4 kohms
• Spark plug, 25 Nm
• ◆ Type and electrode gap; adjustment data, spark plugs =>page 28-5