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Mike, I'm glad you replied.
The ride is great it floats thru the worst of bumps. The ride is actually better than my 420's. Accumulators look new. I only hear the noise when the pump is pumping up the accumulators. No noise when the fluid is circulating and the system is stable. Only noise when the valve opens to pump up the accumulators.
One other variable to throw into the equasion.
The hose that I replaced. - I was able to replace the ruber hose portion with a new piece. It turns out that the connectors used are not the crimp type but a type that allows the rubber to be easily replaced. So since the dealer wanted $150 for a new hose - I decided to replace the rubber portion for a grand total of $6. However - the original hose used a fabric type of mesh weave and the replacement is a steel weave. I would assume the steel hose will be "harder" when it comes to absorbing the pump pulses. I suspect that the OEM hose is "softer" and may dampen or absorb the pulses better.
Just a possibe explanation. Do you have any perceptable noise from your car?
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I got too many cars!! Insurance eats me alive. Dave
78 Corvette Stingray - 3k
82 242 Turbo Volvo - Manual - 270k
86 300e 5 speed manual - 210k
87 420sel - 240k
89 560sl - 78k
91 420sel - 205k
91 560sel - 85k
94 GMC Suburban - 90k
97 Harley Davidson Heritage Softail - 25k
00 GMC Silverado 1 ton 30k
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