Power steering pump whining.

Unread post by **East Coast Traveller** » March 29th, 2015, 1:00 pm

Hi All.
I fitted new Crown power steering pump to my 2002 4.7 V8 Grand Cherokee limited as the previous pump leaked. Six thousand K's later I have a quite loud whine from the pump. My supplier can not supply a replacement Crown at the moment, so has sent a second hand genuine pump, it whines too, but nowhere near as loudly. Anyone else have this problem? Could it be the oil?

Unread post by **NZ LUX** » March 29th, 2015, 3:22 pm

Is the fluid reservoir full? Power steering pumps develop a noticeable whine if the fluid level drops significantly.

Unread post by **typhoeus** » March 30th, 2015, 7:44 pm

is it really the pump? the aircon pump pulley bearing can make a similar noise, as can the idler pulleys.

Unread post by **East Coast Traveller** » April 2nd, 2015, 10:12 pm

Thank you gentlemen, I will check the fluid level as well as the idler and aircon pulleys.

Power steering pump whining.

Power steering pump whining.

Re: Power steering pump whining.

Re: Power steering pump whining.

Re: Power steering pump whining.