308-03A Manual Transmission - 6-Speed Manual Transmission -MT82

for the symptom, check for the next likely system and continue diagnosis. Transmission rattle noise — noise occurs at 1st and 2nd gear on light acceleration.

Transmission rattling/clattering noise — Incorrect fluid COMPARE with other like occurs in NEUTRAL or in gear, at idle level or fluid vehicles. CHECK that the

quality transmission is filled to the correct

level and with the specified fluid. REFER to: Transmission Fluid Level Check (308-03A Manual Transmission - 6-Speed Manual Transmission - MT82, General Procedures).

Transmission rattling/clattering noise — Worn or rough CHECK the reverse idler gear. noise at idle in NEUTRAL reverse idler gear REPAIR as necessary.

Excessive CHECK the gear backlash. backlash in gears ADJUST as necessary.

Worn countershaft REPAIR as necessary. gears

Transmission whine — a mild whine at Rotating Acceptable noise. extreme speeds or high rpm gears/geartrain

Transmission whine — a high pitched Transmission Result of normal gear wear. whine, also described as a squeal gears are worn REPAIR as necessary.

(high mileage vehicle)

Mismatched gear INSPECT the gear sets for an sets uneven wear pattern on the face

of the gear teeth. REPAIR as necessary.

Damaged or worn INSPECT the transmission transmission bearings. INSTALL new bearings bearing as necessary.

Transmission growling/humming — Gear is cracked, INSPECT the transmission gears noise occurs in the forward gears. The chipped or rough for damage or wear. INSTALL noise is more prominent when the gear new gears as necessary. is loaded. The problem gear can be located as the noise occurs in a specific gear position

Axle howl or The MT82 transmission may be whine suspect of a gear whine noise,

which seems to be emanating from the rear of the vehicle at or in excess of 80 km/h (50 mph) at full operating temperature. Drive the vehicle at customer complaint speeds in 5th gear (this is the direct gear) to eliminate manual transmission as noise source, reach full operating temperature and confirm if noise is still present. REFER to: Suspension System (204-00 Suspension System - General Information, Diagnosis and Testing). If noise is not present, proceed with gear noise analysis.