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2006 Volvo C70 runs rough in drive

Help, Advice, Owners' Discussion and DIY Tutorials devoted to the second generation C70, S40 and V50 Volvos -- awkwardly model year 2004 ½ onwards -- plus where to go for advice and discussion on Volvo's sporty C30 Coupe powered by Volvo's ubiquitous inline 5-cylinder power plant.
pjmc480
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Joined: Sat Mar 16, 2019 5:14 pm
Year and Model: 2006 c70 T5
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pjmc480

2006 Volvo C70 runs rough in drive

Post by pjmc480 » Thu Oct 17, 2019 11:03 am

Runs smooth in Park or Neutral, but most of the time when in drive or reverse it sounds rough. By rough I mean like extra loud like there is a small exhaust leak. Occasionally it will run perfect in drive then go back to sounding rough. I did find a crack in the radiator fluid reservoir and will be replacing tomorrow but I wouldn't think that would cause it to sound rough. Any ideas?