Moan/Fog Horn Sound May Be Heard While Turning at Slow Speed on Chrysler Voyager

A moaning or fog horn sound may be heard while turning at a slow speed. Installing a finned power steering cooler will help alleviate the problem, but it may be necessary to replace the power steering rack.

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Average mileage: 150,000 (150,000–150,000)
3 model years affected: 2001, 2002, 2003
4 people reported this problem
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problem details
2002 Chrysler Voyager 150,000 mi,
It already has the finned oil cooler but it still moans turning the steering wheel at low speed or standing on place.