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Check to make sure that the timing pully(air turbin) is not loose. Phil --- "Roush, Norman" <norman.roush@hp.com> wrote: > I was driving home Friday afternoon and heard a > noise that sounded like > flapping loose sheet metal. I did not notice any > change in engine > performance. I check all sheet metal and found > nothing loose. With the > engine cover off the noise sounds like something > rattling around in the > engine case but is not constant. It sounds like a > crack or bang but not > terribly loud. I drained the oiled and it looked > clean. I used a stiff > wire and a magnet to see if anything was in the sump > but found nothing. > I checked the compression and it was #1 110#, #2 > 95#, #3 100# and #4 > 110#. With the oil bath off the noise did seem to > be louder and coming > from inside the air intake distributor. Thinking it > could be backfiring > I checked and adjusted the values and timing but all > seemed OK. The > noise is very intermittent at idle so I slowing > drove around the block > and found it happens frequently under load. If a > rod bolt came loose or > a bearing shattered would pieces fall to the sump? > Could it be a short > arching? The engine is a stock 1600 with FI and > manual transmission. > > For those in the SF South Bay (Sunnyvale, San Jose > area) can you suggest > a mechanic in the area? I cannot teardown and > rebuild the engine myself > an need help. > > Thanks in advance, > Norman > '68 Squareback > > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > List info at http://www.vwtype3.org/list | > mailto:gregm@vwtype3.org > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > > __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com