Tensioner, Idler; Tensioner Spring; Timing Belt Pulley, Camshaft Pulley - Mazda MX-5 1990 Workshop Manual

INSPECTION
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REPAIR
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TIMING BELT
Caution
• Never forcefully twist, turn inside out, or bend the
timing belt.
• Do not allow oil or grease on the belt.
1. Replace the timing belt if there is any oil or grease on it.
2. Check the timing belt for damage, wear, peeling, cracks,
and hardening. Replace the timing belt if necessary.
TENSIONER, IDLER
Caution
• Do not clean the tensioner or idler with cleaning
fluids. If necessary, use a soft rag to wipe them
clean, and avoid scratching them.
1 . Check the tensioner and idler for smooth rotation and ab-
normal noise. Replace the tensioner or idler if necessary.
TENSIONER SPRING
1. Measure the free length of the tensioner spring. Replace
the tensioner spring if necessary.
Free length: 58.8mm (2.315 in)
PULLEY
Timing Belt Pulley, Camshaft Pulley
Caution
• Do not clean the pulleys with cleaning fluids. If
necessary, use a soft rag to wipe them clean, and
avoid scratching them.
1. Inspect the pulley teeth for wear, deformation, and other
damage. Replace the pulley if necessa.ry.
8-59