Section 03
ENGINE
Subsection 02
(TROUBLESHOOTING)
VMR2004_125_03_02A.FM
03-02-13
SYMPTOM
VIBRATIONS ORIGINATING FROM DRIVEN PULLEY.
CONDITION
NORMAL USE.
Test/Inspection
1. Check fixed and sliding half bushings on driven pulley.
a. Excessive gap between bushings and CVT shaft, thus restraining sliding half
movements.
Replace fixed and/or sliding half of driven pulley, polish CVT shaft area with fine
emery cloth and wipe clean with a cloth.
SYMPTOM
PULLEYS DO NOT DOWN/UP SHIFT PROPERLY.
CONDITION
NORMAL USE.
Test/Inspection
1. Check drive pulley bushings (cleanliness, wear, etc.).
a. Bushings stick to fixed half pulley shaft.
Clean or replace.
b. Spring seat sticks to sliding half pulley bushing.
Clean system and/or replace sliding half pulley.
c. One-way clutch does not operate properly.
Clean system and/or replace damaged part(s).
2. Check driven pulley spring tension.
a. Driven pulley spring tension is too weak and/or broken.
Replace.
b. Driven pulley cam is worn or damaged.
Replace.
SYMPTOM
BELT GLAZED EXCESSIVELY OR HAVING BAKED APPEARANCE.
CONDITION
NORMAL USE.
Test/Inspection
A00D0AY
1. Check if CVT air intake and/or outlet is clogged.
a. CVT area heats up due to contamination.
Clean air intake and/or outlet from contamination.
b. Fans located on drive pulley fixed half (underneath ring gear) are clogged.
Clean from contamination.
2. Check if pulley halves are clean.
a. Oil on pulley surfaces.
Clean pulley halves and replace belt.
b. Water intrusion in CVT area.
Find root cause and repair. Drain water and replace belt.