Date: 27 Feb 2002 14:46:14 -0800 From: jessesandsnopsamail.com (Jesse Sands) Subject: Re: Balance-shaft chain replacement interval?
ychennopsam30.net (Yaofeng) wrote in message news:<e89d1e3e.0201311805.525a082anopsaming.google.com>... > "chrisnew" <chrisnewnopsamorld.com> wrote in message news:<mUi68.3685$IY1.829829nopsam2-win.server.ntlworld.com>... > > I wouln't rely on a mileage-use your ears instead! The moment you suspect > > *any * noise from the chains, get them replaced, as its a lot cheaper than > > the consequences of a broken chain. Don't expect to hear them from inside > > the car either. Replace all chains, sprockets etc as its dosen't pay to > > skimp on this job. You may well discover other jobs during the strip down, > > such as worn idler pulley bearings, water pump leaks. > > > > Chris > > Wait a minute. You can open up the valve cover to do at least a > visual on the timing chain and determine whether it is stretched or > worn. Take a good look at the TC tensioner to see if there is still > play on the tensioner rod. On my '90 900 convertible, the best (only?) way to check the condition of the timing chain is to remove & inspect the tensioner. It's a simple job involving two bolts, and possible replacement of a seal on reinstallation. If the tensioner is out 11mm or more, do the chain & sprockets. If it ain't, don't. Jesse
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