|Subject:||Whine Noise from Power Steering at Cold Start|
|Models:||2006 - 2009 Cadillac XLR and XLR-V|
This PI was superceded to include model years through 2009. Please discard PIC4050.
The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI.
A whine or growl noise may be noticed from the power steering at cold start. This noise may be due to residual air in the power steering system. Foaming of the fluid may also be noted.
Note: Prior to performing the steps above, be sure to check the power steering fluid level. If the fluid is low, fill to the proper level and evaluate.
Please follow this diagnostic or repair process thoroughly and complete each step. If the condition exhibited is resolved without completing every step, the remaining steps do not need to be performed.
Article ID: 138
Created: January 8, 2020
Last Updated: January 8, 2020
Author: Rob Loszewski
Online URL: https://www.xlr-net.com/knowledgebase/article/2006-2009-cadillac-xlr-and-xlr-v-service-bulletin-pic4050a-whine-noise-from-power-steering-at-cold-start-138.html