Differential, Standard; Differential, Viscous Limited Slip - Mazda MX-5 1990 Workshop Manual

M
TROUBLESHOOTING GUIDE
REAR AXLE (Cont'd)
Problem Possible Cause
Action Page
Body "rolls"
Worn or deteriorated upper arm bushing Replace
M-12,
Section R
Body leans Weak upper arm bushing
Replace M-12,
Section R
Abnormal noise from
Worn or deteriorated upper arm bushing Replace
M-12,
suspension system
Section R
05UOMX-005
DIFFERENTIAL, STANDARD
Problem Possible Cause Action Page
Abnormal noise Insufficient differential oil
Add oil M-24
I ncorrect differential oil Replace M-24
Improperly adjusted ring gear backlash Adjust M-40
Poor contact of ring gear teeth Adjust M-41
Worn or damaged side bearing Replace M-32
Worn or damaged ring gear Replace M-32
Worn or damaged drive pinion bearing Replace M-32
Worn or damaged pinion and side gear Replace M-32
Seized side gear and case Replace M-32
Worn side gear spline
Replace M-32
Worn pinion shaft Replace
M-32
Worn thrust washer Replace M-32
Improperly adjusted side gear backlash Adjust M-40
Improperly adjusted drive pinion gear preload Adjust M-38
Heat buildup Insufficient differential oil Add oil M-24
Insufficient gear backlash
Adjust M-40
Excessive bearing preload Adjust M-38,40
Oil leakage Excessive differential oil
Remove oil M-24
Loose differential carrier Tighten or repair M-42
Worn or damaged oil seal Replace M-32
No differential
Misassemble-d
Repair M-32
operation
05UOMX-006
DIFFERENTIAL, VISCOUS LIMITED SLIP
Problem Possible Cause
Action Page
Abnormal noise
Insufficient differential oil Add oil M-24
Incorrect differential oil Replace M-24
Improperly adjusted ring gear backlash Adjust M-40
Poor contact of ring gear teeth Adjust M-41
Worn or damaged viscous limited slip differential oil seal Replace M-24,32
Worn or damaged ring gear Replace
M-32
Worn or damaged drive pinion bearing
Replace M-32
Heat buildup Insufficient differential oil Add oil
M-24
Excessive bearing preload
Adjust M-38,40
Oil leakage Excessive differential oil
Remove oil M-24
Loose differential carrier Tighten or repair
M-42
Worn or damaged oil seal Replace M-24,32
No differential Misassembled Repair M-32
operation
05UOMX-007
M-4