

| Subject: | Re: Rear wheel noise... can't be good 1000 km from home :( |
| From: | Steve Williams |
| Date: | Thu, 17 Oct 2013 23:51:27 -0700 |
Hi, I can't believe I've been reading this list for years watching everyone make the same mistake I just made! lol. It's a 1991 Westy, standard transmission, 280,000 km on the Odomoter & original engine, but unknown maintainence history on the rest of the vehicle (except new alternator, new gas lines that I did). That's a good idea about lifting the van to get a closer look. I'll look around for chock like devices tomorrow morning when it gets light. Cheers, Steve W. On 10/17/2013 11:37 PM, Neil N wrote: > Hi Steve. > > Knowing the year of the Vanagon will help others help you. You have an > automatic transmission? (likely not relevant) > > If it were me, Vanagon on level surface, wheels chocked, I'd use the > stock jack to raise each rear wheel and spin each to see which wheel > makes the noise. I'd also carefully check each wheel for in/out play; > hold wheel at 6/9:00, gently push/pull or wiggle it. SAFETY FIRST > since e-brake would be off and van out of gear. And DON'T keep your > arms/hands up under van or any amount of time! > > It could be a rear brake part causing the noise but the squeaking > sound seems strange. Any rear brake noise I've heard is more like a > scraping "eep eep eep" type of sound. > > Take any dirt roads lately? I did on my last trip and had a sound > like a failed and fallen rear brake spring against the drum. Carrying > a jack stand finally paid off! All I can figure is that the noise was > caused by a small rock between drum and lip of backing plate. Removing > parts and re-assembly cured the noise. > > image > > https://lh3.googleusercontent.com/-xL5DLeybWok/UkozLzXFS6I/AAAAAAAAIXA/6RlAh7mkNUk/s700/Wheel%2520Off%2520While%2520Exploring.jpg > > Neil. > > On Thu, Oct 17, 2013 at 11:09 PM, Steve Williams > <steve@williamsitconsulting.com> wrote: >> Hi, >> >> I'm on a bit of a road trip (2500 km so far), currently in Washington >> State (Bellingham). I'm 1000 km from home still (Calgary, AB). I've >> pulled more sustained hills on this trip than ever before, even going up >> to the "Windy Ridge" lookout on Mt. St. Helens. >> >> Not that it's very relevant, but I drive very gently, never "flooring" >> the gas pedal only pressing down on the gas the while the vehicle will >> accelerate. If it won't accelerate/sustain, I let it slow down & grab a >> lower gear. I keep the "working" RPM's in the 2500-3500 rpm range. >> >> I have a very strange noise coming from the rear drivers side wheel. It >> almost sounds like squeaking rubber, it's hard to tell because it >> doesn't happen until 45 km/hr. My gut" feeling is that it's got to be a >> CV joint, but I thought I'd get some list wisdom. >> >> It only happens under "medium" acceleration. When the noise starts, >> backing off on the throttle or flooring the throttle will make it go >> away. I had lots of time to experiment on the Mt. St. Helens road, 16 >> km uphill in 2nd or 3rd gear (steepish, windy road). It either subsides >> or the road noise overpowers the noise as the speed increases above 55 >> km/hr. >> >> Happens between 40 & 55 km/hr with some sensitivity to going around >> corners. It seems to be quieter when making a left corner, though the >> size of parking lots that I can find to test in limits this test a bit. >> Does **not** happen in neutral or when going down a hill. >> >> I have been monitoring it all day (I had a meeting in Bellingham that I >> had to get to). The hub is not getting hot driving sustained highway >> speeds, so I don't think it's wheel bearing. >> >> Additionally, when coasting (engine off, neutral) in the parking lot on >> a gentle downhill in a parking lot (with me walking beside the vehicle), >> it sounds like there is something rubbing on the brake drum for part of >> the revolution of the wheel. This noise doesn't happen in reverse. >> Part of me wants to blame the brakes for this one... >> >> Once, when I parked & forgot to put the parking brake on & it rolled >> ahead, I got a little "tick tick tick" out of the wheel for about every >> 6 inches it rolled ahead. >> >> I have tightened all the lug nuts. >> >> I'm in Bellingham, Washington with a bit of a flexible schedule... I am >> going to call around tomorrow (Friday) and see if anyone can have a look >> at it. I'm pretty sure I'm limited to what I can do with the tool box >> that I have, and my spare alternator isn't going to help in this case! lol. >> >> What's the list wisdom on what this might be? >> >> Thanks, >> Steve W. > >
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