View Single Post
  #3  
Old 01-25-2018, 06:22 PM
Diseasel300's Avatar
Diseasel300 Diseasel300 is offline
Registered User
 
Join Date: May 2016
Posts: 6,071
Quote:
Originally Posted by Jay11 View Post
When you start the car you can hear it whining for sure. The whining doesn't change in volume consistency or in any way at all. Shop said it was it - during a PPI (but looking back they missed a few things and I am not sure that I can trust their word.) I would like to establish that it is the PSP that's the issue. So how do I confirm that it is PSP that's whining?
This is an engine driven pump right? If so, the noise should be changing with engine RPM and you should be able to change the "groan" by moving the steering wheel back and forth. If it doesn't change with engine RPM, it isn't the P/S pump...
__________________
Current stable:
1995 E320 157K (Nancy)
1983 500SL 125K (SLoL)

Gone but not forgotten:
1986 300SDL (RIP)
1991 350SD
1991 560SEL
1990 560SEL
1986 500SEL Euro (Rusted to nothing at 47K!)

Gone and wanting to forget:
1985 524TD 167K (TotalDumpster™) [Definitely NOT a Benz]
Reply With Quote