2012 Toyota Sienna
Mileage
105,977
Service Date
1/13/2026
Services Performed
- DIAGNOSE AND/OR REPAIR
- PER CUSTOMER COMPLAINT WE INSPECTED THE VEHICLE. WE FOUND THAT THE NOISE IS COMING FROM THE REAR DIFFERENTIAL. WE ATTEMPTED THE REMOVE THE CHECK PLUG TO SEE WHAT THE FLUID IS LIKE, BUT WE CANNOT GET THE CHECK PLUG OUT, FURTHER ATTEMPTS ARE LIKELY TO DAMAGE SOMETHING THAT IS NOT EASILY REPLACED. THAT SAID, THERE ARE NO EXTERNAL LEAKS AT THIS TIME, SO FLUID LEVEL IS LIKELY OK. THIS REAR DIFFERENTIAL UNIT HAS AN ELECTROMAGNETIC COUPLER ON THE FRONT OF THE UNIT. THIS COUPLER HAS A HIGH FAILURE RATE AND SINCE IT MUST BE REMOVED TO SWAP OVER TO THE NEW DIFFERENTIAL, IT IS VERY LIKELY GOING TO NEED TO BE REPLACED. WE ALSO NOTED THAT THE REAR U-JOINT HAS RUST COMING OUT OF IT, SO WE ARE RECOMMENDING REPLACING THE UNIT. REMOVE AND REPLACE THE REAR DIFFERENTIAL, ELECTROMAGNETIC COUPLER, REAR DRIVESHAFT. FILL FLUID TO SPECIFICATIONS.
- DURING OUR INSPECTION WE FOUND THAT THE FRONT SWAY BAR LINKS ARE BOTH A LITTLE BIT LOOSE, NOT REALLY MAKING NOISE YET. REMOVE AND REPLACE FRONT SWAY BAR LINKS.
- LUBRICATE AND CHECK CHASSIS. CHANGE OIL, USING SYNTHETIC OIL,CHANGE OIL FILTER. CHECK AIR FILTER AND BREATHER FILTER. CHECK ALL FLUID LEVELS AND TIRE PRESSURES. PERFORM BASIC SAFETY INSPECTION.
- REMOVE AND REPLACE THE REAR SHOCKS.
- THANK YOU!
STEVE S. gave our service a 5 star review on 1/14/2026
