Suzuki Vitara (LY) 2016-2017 · Service Manual D16AA-6M/T Model · Diagnostic Information and Procedures

Manual Transaxle Symptom Diagnosis

Precautions: General safety (00)

Condition Possible Cause Action
Gears slipping out of mesh
Worn shift fork shaft
Replace shift fork shaft. icon 
Worn shift fork or synchronizer sleeve
Replace shift fork or synchronizer sleeve.
•Shift fork: icon 
•Input shaft: icon 
•Countershaft: icon 
Weak or damaged gear locating spring
Replace gear locating spring. icon 
Worn bearings on input shaft or countershaft
Replace input shaft bearing or countershaft bearing.
•Input shaft bearing: icon 
•Countershaft bearing: icon 
Worn chamfered tooth on sleeve and gear
Replace synchronizer sleeve and gear.
•Input shaft: icon 
•Countershaft: icon 
Hard shifting
Insufficient lubricant
Add manual transaxle oil. icon 
Improper clutch pedal free travel
Replace clutch operating cylinder or master cylinder.
•Clutch operating cylinder: icon 
•Clutch master cylinder: icon 
Distorted or broken clutch disc
Replace clutch disc. icon 
Damaged clutch pressure plate
Replace clutch cover. icon 
Worn synchronizer ring
Replace synchronizer ring.
•Input shaft: icon 
•Countershaft: icon 
Worn chamfered tooth on sleeve and gear
Replace synchronizer sleeve and gear.
•Input shaft: icon 
•Countershaft: icon 
Worn select lever bushing
Without neutral position switch: Replace select lever bushing. icon 
With neutral position switch: Replace gear shift & select shaft assembly icon 
Distorted shift shaft
Replace shift shaft. icon 
Broken gear shift / select control cables
Replace gear shift and select cable. icon 
Noise
Insufficient lubricant
Add manual transaxle oil. icon 
Damaged or worn bearing(s)
Replace bearing.
•Input shaft: icon 
•Countershaft: icon 
Damaged or worn gear(s)
Replace gear.
•Input shaft: icon 
•Countershaft: icon 
Damaged or worn synchronizer parts
Replace synchronizer parts.
•Input shaft: icon 
•Countershaft: icon