The 1966 VW Beetle Forum

I *think* I've found the source of the sound. There's an air re-direct flap on the air intake that had a cable stub attached. The cable had been snipped and the flap held in place by the bend in the stub. It had worked loose and was flapping around on heavy load. The suggestion to have someone liste...

It's been a noise in the engine without clutching involved when under load, such as loading up the low end of a gear and full torque pulls you up to speed. The 'whack' sound seems to be only under load, and disappears when you reach normal travel speed for the gear. And nothing at high revs. I've ch...

Nice 66 with a 1600 engine bored out to 1720, just purchased. Huge trip home (2500 miles) not a note out of the engine. Now there's a 'whack' sound on accelerate under load. Re-did valve clearance .006 cold - both. They were a tight .004. Any ideas what else to look at? Thanks folks.

New member here with a 66 Beetle (w/sunroof) in Pearl White. Nice car, well preserved. Son #1 found it online in BC and I flew out to join him, bought the car and he & I drove it back to Ontario across the northern States - great trip! She coughed, sputtered and stalled in the hills of Washingto...