January 29, 2020
Bushwhacked! Keys to Avoiding Preventable Bushing Problems
Brian Wing
Symptoms:
- Worn pump stator bushings
- Excess turbine shaft-to-stator bushing clearance
Cause:
Wear associated with normal use causes bushing failure.Correction:
The Sonnax bimetal bushing restores correct shaft/bushing clearance and resists wear.Warning:
Required tool kit 120003-TL is no longer in production. Check with your distributor for availability.
AL-4, DPO
Pump Stator Bushing
Part No. 120003-01
Small bushing, fits units '00-later.
-
Tooling:
- 120003-TL
View Instructions Find a Distributor
The pump stator bushings in Renault AL-4 and DPO units are prone to wear from normal operation, and are difficult to remove without damaging the housing bore I.D. Sonnax offers small pump stator bushing 120003-01 and large pump stator bushing 120003-02 independently or as part of pump stator bushing kit 120003K. Removal tool [120003-TL] to allow easy bushing removal without damaging the bore.
- Bushings are made from steel-backed aluminum alloy for better wear resistance
- Precision-fit bushings do not require machining
- Tool allows removal of old bushings without scoring or damaging the housing bore I.D.
- Bushing Style: Precision
- Material: Steel-backed aluminum alloy
- Width: 0.624"
- Shaft Dia.: 0.926"
- Housing Bore: 1.023"
Related Sonnax Parts
Required
Recommended
AL-4, DPO
Pump Stator Bushing 120003-02
Large bushing, fits units '00-later.
- Bushing Style: Precision
- Material: Steel-backed aluminum alloy
- Width: 0.628"
- Shaft Dia.: 1.021"
- Housing Bore: 1.118"
-
Helps cure:
- Worn pump stator bushings
- Excess turbine shaft-to-stator bushing clearance