Car Questions
RepairPal is your advocate for car care advice and guidance

Power steering pump pulley breaks after installation

(1998 Nissan Altima)
in Mesa, AZ on October 20, 2010
So my power steering pump and hose were replaced along with my power steering pump pulley. The pulley was warped and I had some leaking in the pump and hose. Thats why they were replaced. Three days later a shaking sound occurs. My pulley is busted! The inner ring area is gone. We figure we had gotten a defective "new" power steering pump but are there any other possibilities like poor installation?
Displaying 1 answers & 0 comments
Popular Answer
on October 20, 2010
Defective parts are always a possibility, especially on remanufactured-pumps..

However I would look more towards an improper installation…
Over or under torqueing is the most common cause for pulley failure..


Bracket: 14 - 18 Nm (10 - 13 ft. lbs.)

Connector: 69 - 78 Nm (51 - 58 ft. lbs.)

Connector (To Front Housing) Bolt: 49 - 69 Nm (36 - 51 ft. lbs.)

Pulley: 54 - 68 Nm (40 - 50 ft. lbs.)

Rear Housing: 14 - 18 Nm (10 - 13 ft. lbs.)

Suction Pipe: 14 - 18 Nm (10 - 13 ft. lbs.)

Also check the drive belt & drive belt tensioner for wear and binding...
RepairPal estimates are guaranteed at over 2,000 quality certified locations nationwide. Learn more

Similar Questions

View answers to similar questions from RepairPal's community of auto experts and enthusiasts.
I was told that my Mercury Villager has an interference engine. One day I went to start it and it ran for just a cou...
Didn't find what you were looking for?