boiling noises from 20vt head(whoops)

Craig D. Niederst niederst at
Sun Aug 20 00:49:11 EDT 2000

Any chance the pressure cap on the coolant reservoir has gone bad? My '92
100S has similar gurgling noises and an occasional loss of a small bit of
coolant. Turned out the cap was bad, and since replacing it (for about $7),
have had no coolant losses (or gurgling noises) since. HTH.

'92 100S (90k)
'86 CGT (188k)

----- Original Message -----
From: Brett Dikeman <quattro at>
To: <200q20v at>; <quattro at>
Sent: Saturday, August 19, 2000 7:48 PM
Subject: boiling noises from 20vt head(whoops)

> Okay, if I can actually REMEMBER to put in the second part:
> I noticed the coolant tank was every-so-slightly below what it should
> be, so topped it off with a little water, no more than half a
> cup(anal anyone?)  I take the car for a spin after cleaning oil out
> of the spark plug holes/connectors, air filter, and oil change.  Get
> back, turn off the car, walk around in front, and notice a rather
> loud gurgling/boiling noise
> I've had this problem on and off and I want to get rid of whatever is
> causing it right away; I suspect there's a large air pocket, but I
> have no idea how to eliminate it; I've already tried disconnecting
> the overflow line and filling the system from there; it did nothing
> for the problem.
> Any suggestions?
> Brett
> PS:set screw for the filter housing refuses to go in.  I've tried
> everything I can think of; there's nothing in the way, but the damn
> screw just won't go in.  This leaves one corner of the airbox sorta
> willy-nilly.  Ideas?
> --
> ----
> Brett Dikeman Systems Engineer
> CFN(formerly iClick, Inc) 914-872-8043
> 120 Bloomingdale Rd. 914-872-8100(fax)
> White Plains, NY 10605
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