Pontiac Montana power steering fluid leak caused by damaged pressure line and rack and pinion replacement needed on Pontiac Montana

Submitted by poptopp · Jun 23, 2025
Published by RepairPal

Problem overview

Some Pontiac Montana owners report experiencing power steering fluid leaks caused by damaged pressure lines and the need for rack and pinion replacement. These leaks can arise from various issues, including a malfunctioning power steering pump, problems with the power steering hoses, or leaks in the power steering rack, which require immediate attention to prevent further damage. Additionally, using the incorrect power steering fluid or overfilling the fluid tank can exacerbate these leaks. Owners have noted that a leaking high-pressure power steering line, which can reach pressures up to 2,000 psi, often leaks at the crimp connector, and attempts to fix these leaks with stop leak products are ineffective due to the high pressure involved. If the leak is attributed to a damaged rack and pinion, replacement of this component is often necessary to restore proper steering functionality. It is essential for owners to address these issues promptly to maintain the vehicle's steering performance and ensure safety on the road.

7 people reported this problem
4 comments
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Pontiac Montana vehicles with this problem

Average mileage: 108,375 miles
(50,000 - 156,000)

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