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Maybe bad crank pulley - long reply Posted by Walt [Email] ![]() ![]() In Reply to: Alt. still won't charge, Randy R, Fri, 19 Jun 2009 06:38:38 Members do not see ads below this line. - Help Keep This Site Online - Signup |
Your C900 may have a slipping harmonic balancer crankshaft pulley, specifically the two sheave pulley that drives the alternator and water pump. Rubber sleeve on pulley either dries out or gets soft from leaking main seal at oil pump. Can get replacement HB pulley from Dorman (made in Korea), ScanTech, or Saab OEM. One year guarantee on Dorman. Loosening HB pulley bolt typically requires a long cheater bar on breaker bar. Bolt requires a 30mm socket on 2.0L and 27mm on 2.1L engine. On 2.1L there's a spacer between bolt and pulley, in addition to large captive washer on bolt. Forgetting spacer on 2.1L means bolt will bottom, pulley will tear out woodruff key on crankshaft, and cause one mell of a hess. Pulley replacement is good time to renew crank seal and oil pump O-ring.
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