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Power Steering Noise Fix - Changed the Reservoir
Loud screeching sound plagued my '01 Voyager 3.3limmediately after startup. Although the noise would go away after few minutes, it sounded hideous.
I tried some suggestions from this board, such as swapping the starter under the theory that the starter gear was not retracting. Changing the serpentine belt also made no difference. Another suggestion that marginally helped was siphoning and replacing much of the fluid in the power steering reservoir.
After digging deeper, I learned that the reservoir has a screen within it that tends to clog. I purchased a new one from Chrysler for less than $30, along with high-end power steering fluid, and replaced it. Now, the noise is completely gone.
Here is how to change it. The reservoir is on top of the engine and is very accessible. To swap it, siphon out as much fluid as possible. You can use a turkey baster, but remember that turkey-day is around the corner. Next, remove the two bolts on top of the reservoir with an 8mm socket. Then use pliers to remove the two hoses clamps connected to it. There were two unrelated tubes that were in the way, which pulled off by hand and made clearance easier. There is one bolt underneath the reservoir that needs to be loosened (not removed) with a 10mm socket. Removing the two hoses from the reservoir took penetrating oil and muscle, even with the clamps removed. Overall, it took about 45 minutes and was not too difficult. I now consider replacing the reservoir as a maintenance item for higher mileage vans. Hope this helps.
2005 Grand Caravan SXT 3.8L (100K miles and running strong)
2001 Chrysler Voyager 3.3L Flex Fuel (220K miles and running strong)