1978 Mazda Cosmo Automatic TransFACTORY OEM SERVICE PROCEDURE

Wheel Alignment Trouble Shooting

NOTE: This is a general trouble shooting guide. When using this guide, locate the condition in column one that corresponds to your problem and determine the possible causes in column two. Match the number of the possible cause with the same number in column three, and you will have the suggested correction.
CONDITION POSSIBLE CAUSE CORRECTION
  • Tire wear
 1) Tire pressure too low 1) Check manufacturer's recommended pressure and set to specifications.
2) Wheel alignment out of tolerance 2) Check alignment and set to specs or replace components
3) Excessively worn wheel bearings 3) Check, adjust or replace bearings
4) Improper or no tire rotation 4) Follow manufacturer's recommended procedures. Perform a 4 or 5-tire rotation
  • Grating tire noise
 1) Improper tire pressure 1) Check manufacturer's recommended pressure and set to specifications
2) Wheel alignment out of tolerance 2) Reset alignment or replace necessary suspension components
3) Damaged or defective spindle or suspension components 3) Inspect and replace components
  • Uneven tire wear
 1) Uneven tire pressure 1) Check manufacturer's recommended pressure and set to specifications
2) Tire pressure too low (shoulders on tire worn) 2) See correction 1
3) Tire pressure too high (center of tred worn) 3) See correction 1
4) Bent rotor or wheel 4) Check and replace part
5) One side of front tred worn 5) Inadequate camber
6) Inside of tred worn 6) Inadequate toe-in
7) Outside of tred worn 7) Excessive toe-in
8) Excessive wheel bearing play 8) Inspect and adjust bearings
9) Brake operation on only one side 9) Check and adjust brakes
  • Road noise
 1) Abnormal tire wear 1) Replace tire
2) Tire out of balance 2) Rebalance tire
3) Tire pressure too low 3) Check manufacturer's recommended pressure and set to specifications
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.

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