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Surging Idle C70

posted by  Drops Of Air on  Mon Aug 7 03:05 CST 2006
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last visit: Mon Nov 5 13:37 CST 2012
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Hey All,

Recently had my 1999 C70 HT serviced, including a timing belt change. Since the service (one week ago) I have had a surging idle. Not only is it audible through the exhaust, but the tachometer will bounce from 800-1000 RPM. Could this be from an improperly changed timing belt. The mechanic mentioned something about the spring loaded "clutch" on the exhaust cam. Any ideas?

Thanks in Advance,

Rob Kaplan
Raleigh, NC
1999 C70 HT, lowered with IPD Sport exhaust and clear corners. HID's coming soon.
1987 245 DL, the workhorse.
1988 244 DL, the parts car.








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    Surging Idle C70

    posted by  KlausC on  Mon Aug 7 05:13 CST 2006
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    last visit: Fri Oct 24 10:15 CST 2014
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    It should be a simple thing for your "mechanic" to take off the timing belt cover and verify the proper location of the cams in relation to the driveshaft. It can only be in one place, which is why IPD developed the cam lock tool for us beginners. If you take the cover off yourself, you should see a lot of whiteout on the cam gears and the block and the white specks better line up.
    Of course, he could have done everything right and you developed a vacuum leak in the elbow that is against the block, right behind the alternator and under the thermostat.

    Klaus
    --
    (V♂LV♂s 1995 854T, 1998 V70R)







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