[T3] New noise from engine

Jeff Palmer w.jeff.palmer at icloud.com
Thu Dec 30 13:19:33 PST 2021

I am no mechanic but my VW friend who pulled my 69 FI found a loose gland nut when we were expecting a rebuild. More of a rumble than a rattle but disappeared after service. 
Happy advance new year!

Sent from my iPhone

> On Dec 30, 2021, at 8:14 AM, Jim Adney <jadney at vwtype3.org> wrote:
> On 30 Dec 2021 at 3:03, Larry Thrasher wrote:
>> I've just started hearing a new noise from the engine in my '68 that has
>> the factory FI. It come as a distinct metallic rattle any time you open
>> the throttle, in neutral or on the road under load. The noise seems to
>> originate from the 3rd cylinder area. I have checked the timing (0 at idle
>> and about 35-37 max) and the valve gap is in specs.  The engine seems to
>> run okay otherwise.  Any thoughts on what it may be and/or what I should
>> check would be appreciated.
> There are a number of things that can get loose and cause a rattle. A good 
> way to start is to run the engine while pressing on different things to see if 
> you can stop the rattle. Run the throttle with one hand while feeling around 
> with the other.
> If you have an OE style muffler, check its metal heat shields. They tend to 
> come loose on the ends as the metal underneath rusts away, leaving 
> something that rattles.
> There are heater boxes on each side of the tranny that have little elbows on 
> top. The elbows are each secured with one sheet metal screw, but 
> sometimes that screw is missing (common on the right side of '71s.) Check 
> those.
> -- 
> *******************************
> Jim Adney, jadney at vwtype3.org
> Madison, Wisconsin, USA
> *******************************
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