Change of chain tensioners on a 4.2 BFM
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AudiWorld Junior Member
Joined: Jun 2015
Posts: 20
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From: Sofia
Change of chain tensioners on a 4.2 BFM
Evening from Bulgaria!
Me and a friend of mine are about to change the chain tensioners on his A8 4e 4.2 petrol BFM engine. As you may assume cause therefore is the random misfire on all cylinders, rough running at idle etc. (coils, plugs, vacuum checked). So my question - do we have to renew the tensioners in case those look ok after we open the rocker covers or can we just change both chains and pads? said in another way - do the tensioners go bad as often as chains and pads?
any credit would be appreciated
many thanks
greetings from sunny Bulgaria
Me and a friend of mine are about to change the chain tensioners on his A8 4e 4.2 petrol BFM engine. As you may assume cause therefore is the random misfire on all cylinders, rough running at idle etc. (coils, plugs, vacuum checked). So my question - do we have to renew the tensioners in case those look ok after we open the rocker covers or can we just change both chains and pads? said in another way - do the tensioners go bad as often as chains and pads?
any credit would be appreciated
many thanks
greetings from sunny Bulgaria
AudiWorld Super User
Joined: Jan 2006
Posts: 6,310
Likes: 123
From: Las Vegas, Nevada USA
Evening from Bulgaria!
Me and a friend of mine are about to change the chain tensioners on his A8 4e 4.2 petrol BFM engine. As you may assume cause therefore is the random misfire on all cylinders, rough running at idle etc. (coils, plugs, vacuum checked). So my question - do we have to renew the tensioners in case those look ok after we open the rocker covers or can we just change both chains and pads? said in another way - do the tensioners go bad as often as chains and pads?
any credit would be appreciated
many thanks
greetings from sunny Bulgaria
Me and a friend of mine are about to change the chain tensioners on his A8 4e 4.2 petrol BFM engine. As you may assume cause therefore is the random misfire on all cylinders, rough running at idle etc. (coils, plugs, vacuum checked). So my question - do we have to renew the tensioners in case those look ok after we open the rocker covers or can we just change both chains and pads? said in another way - do the tensioners go bad as often as chains and pads?
any credit would be appreciated
many thanks
greetings from sunny Bulgaria
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