Mark J Bradakis wrote:
>
> [BOUNCE mgs@Autox.Team.Net: Admin request: /^subject:\s*help\b/i]
>
> Date: Sat, 17 May 1997 23:36:53 +0000
> From: "Scott Gardner" <gardner@lwcomm.com>
> Subject: HELP!! (weird engine noise)
>
> I guess all this talk about how well my engine is running must have
> angered MOWOG, because it's acting up. My wife took my '72 B to the
> beach today, and coming back, she said she heard a noise like a
> wrench being dragged across a chain-link fence. It's gotten worse in
> the fifteen miles or so I've driven it trying to troubleshoot it. To
> me, it sounds like somebody lobbing BBs into an empty soup can. Very
> high-pitched pinging or clinking, not a knocking or thunking. It
> sounded like it was coming from the region of the water pump or
> fan, but it may be farther back. I can't really localize the
> noise.
> Here are the symptoms:
> 1) The abovementioned noise.
> 2) Changing the timing doesn't seem to affect it.
> 3) Engine is running a little hot. The needle now covers the 'N' on
> the gage.
> 4) Happened halfway through a tank of gas. Have filled the
> tank with 93 octane to no avail.
> 5) Possibly unrelated, but when I go to start the car, the engine
> drags for a second, as if I had a low battery.
>
> If it is engine ping, what can cause this sudden onset, and how do I
> stop it? I'm pulling the head tomorrow morning to see if anything
> obvious pops up. I'll be leaving about 2pm GMT, and ANY hints would
> be greatly appreciated. What should I be looking at/for when I pull
> the head? It's a pre-smog head (no air injection ports).
> Thanks a million,
> Scott Gardner
If you have the mechanical cooling fan check the bolts/grommets that
attach it to the water pump.
PaulH.
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