Does the noise vary with RPM?
Also, try getting a piece of plastic pipe about 1" in diameter and 18" long or so (pet shops sell "lift tubes" for undergravel filters that fit the bill) and hold it to your ear while moving it around the engine bay. ?Obviously you have to be careful not to get it caught in any moving part or melted against anything hot. ?Listen from above and listen from below too. ?You wll have to get close (within an inch) of the source of the noise. ?Listen near every component on the serperntine belt -- each idler wheel, the a/c compressor, the alternator, etc. ?Listen on both ends of the head for bad cam bearings. ?Listen along the oil pan and the transmission pan. ?You should be able to isolate the source of the noise.
Mike
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From: Team Degenerate Motorsports
To: "!@ EV list"
Subject: [ev_update] MY 93 is DYING here - HELP me please
Date: Tue, May 30, 2000, 10:14 AM
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My 93 weekender with 88K has been running really great since fixing the
fan fuses but now theres a new scary noise :-(
It sounds like it's dyin here.
Problem began yesterday after a pretty much normal day of use - A noise
has appeared from the engine - squeeky almost abrasive sounding noise
that appears to not come from any one spot but rather across the entire
motor? ?
Noise is present at idle in or out of drive ( auto) and does not go away
when RPM goes up while parked - although it may go away when you
actually get driving down the road.
Noise is there when van is warmed up and is present now on a cold start
after sitting overnite - actually it was *very* apparent and nasty
sounding while the motor turned over *before* the van fired up -
sounding like Scraping or an abrasive noise then more of a squeek once
fired up
I have hardly any records on this van - and do not think the timing belt
was changed by PO - this was something I was going to do before a big
4th of July trip but am wondering if it is the cause here???
What do you guys/gals think it is? and should I even try and drive by
the dealer to have him listen???
TIA,
Bill
Hiking Biking Climbing Nature Tours Dude Ranches Rafting/Paddling Sea Kayaking Multi Sport Horseback Riding ??
