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Odyssey Hydraulic pump noise

5 messages,  Last post on Oct 27, 2009 at 5:46 PM

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#1 of 5 Odyssey Hydraulic pump noise by justthefactsok Dec 10, 2008 (11:13 am)
I have an '07 Odyssey with the dealer installed tow package. Since new I have occasionally heard a whine like a hydraulic pump in distress after driving the interstate and slowing down at an exit or toll booth. Doesn't do it all the time and I've checked both PS and AT fluids and all are at the correct levels. Hard to get it to do it on a short drive to the dealer and it doesn't do it all the time, but seems to be getting both more frequent and louder. Tranny seems to shift and operate fine, but turning the steering wheel when at a stop seems to change both the pitch and volume of the noise. Power steering pump issue? I'm wondering if it has anything to do with the PS cooler that is part of the tow package.......have no earthly idea why they feel it is even necessary. Replies to this message: kcm50 (Dec 14, 2008 4:07 pm) justthefactsok (Dec 14, 2008 4:41 pm) attendee (Oct 27, 2009 4:12 pm) and 1 more...
#2 of 5 Re: Odyssey Hydraulic pump noise [justthefactsok] by kcm50 Dec 14, 2008 (4:07 pm)
Replying to: justthefactsok (Dec 10, 2008 11:13 am) Had the same issue on my 2005. Dealer replaced power steering pump and high pressure hose associated with pump. This stopped the noise.   Recently my wife said the noise has returned. Going back to the dealer this week. A coworker had the same problem. Dealer had to replace power steering pump.   I don't know if this is something Honda is aware of. The mechanic had no trouble finding the problem. Replies to this message: justthefactsok (Dec 14, 2008 4:41 pm) attendee (Oct 27, 2009 4:12 pm) justthefactsok (Oct 27, 2009 5:46 pm)
#3 of 5 Re: Odyssey Hydraulic pump noise [kcm50] by justthefactsok Dec 14, 2008 (4:41 pm)
Replying to: kcm50 (Dec 14, 2008 4:07 pm) Thanks for posting your experience.......it seems to confirm my suspicions of the PS pump as the culprit. I have noticed a distinct lack of PS boost on a couple of these occasions, so that pretty much all points in the same direction. Just curious, but did either you or your co-worker happen to get the dealer-installed tow package with the power steering cooler? Trying to figure out if that is a contributing factor or not. Replies to this message: attendee (Oct 27, 2009 4:12 pm) justthefactsok (Oct 27, 2009 5:46 pm)
#4 of 5 Re: Odyssey Hydraulic pump noise [justthefactsok] by attendee Oct 27, 2009 (4:12 pm)
Replying to: justthefactsok (Dec 14, 2008 4:41 pm) I have a 2007 without the tow package and my power steering pump is doing the same thing, sometimes it is almost impossible to turn the steering wheel when sitting still. The dealer says it will cost over $500.00 to replace. Replies to this message: justthefactsok (Oct 27, 2009 5:46 pm)
#5 of 5 Re: Odyssey Hydraulic pump noise [attendee] by justthefactsok Oct 27, 2009 (5:46 pm)
Replying to: attendee (Oct 27, 2009 4:12 pm) Sorry I neglected to post this sooner. The noise finally got bad enough in the hot summer weather that I took it in to the dealer. As soon as I pulled in the service bay the service rep said " you'd better get them to check your power steering pump while you're here", so the noise was pretty obvious. Turns out that Honda has a service bulletin on this and they replaced the PS fluid reservoir, a check valve, and 2 hoses. It cured the problem immediately and all has been fine for the past 8K miles. I think there was some sort of restriction (bad check valve?) that was starving the pump for fluid. It was covered under warranty and even if you've gone past the warranty mileage limit, I can't imagine how that repair could be more than $150.... unless of course it has gone on so long that the pump has been damaged.

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