Technical data

13773-001
74-00
Page 6 30 Nov 2000
High Tension Lead on Coil Worn
or Burned Through
Improper tension between high
tension lead and carbon brush.
(Refer to TCM Ignition Systems
Master Service Manual) High ten-
sion lead loading specifications.
Coil Cracked or Arcing in Case Faulty coil. (Refer to TCM Ignition Systems
Master Service Manual) Inspect
for cracks, damage to high tension
strap or pigtail connector, and
integrity of windings.
Incorrect spark plug gap. Regap spark plugs to engine man-
ufacturer’s specifications.
Fouled spark plugs. Clean spark plugs according to
manufacturer’s specifications.
Faulty spark plug. Test spark plug in accordance with
manufacture’s specifications.
Electrode Finger Loose on Distrib-
utor Gear
Timing pin wedged between elec-
trode and distributor block during
timing process.
(Refer to TCM Ignition Systems
Master Service Manual) Timing
procedures.
Distributor Block Towers Scored or
Excessively Burned
Electrode finger contacting towers Inspect and replace as necessary.
Distributor Gear Bushings Exces-
sively Worn
Improper lubrication of bushings. (Refer to TCM Ignition Systems
Master Service Manual) Mainte-
nance practices.
Bearing Bar Burned Carbon tracking due to excessive
carbon brush wear.
(Refer to TCM Ignition Systems
Master Service Manual) High ten-
sion lead loading specifications.
Mounting Flange Broken Hold-down clamps overtorqued. Torque hold-down clamps to 190-
220 inch-pounds (20.9-24.2 Nm).
Hold-down clamps torqued
unevenly.
Reinstall, ensuring clamps are
torqued with even pressure.
Magneto gasket residue on acces-
sory case mounting pad.
Ensure mounting face is free of
gasket residue.
Trouble Probable Cause Remedy