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Replacing and re-tensioning the HP/Injection pump drivebelt?
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robingc33   
Sun Nov 01 2015, 08:26pm
Joined: Aug 25 2015
Member No: #2303
Location: NW Essex
 Hi,
I'd like to replace the HP/Injection drivebelt at the gearbox end of the 2.7L engine as part of my recently aquired 2006 C6's "makeover" but can't find any info here or elsewhere on this process. Can anyone point me at something or has experience of this please?

The plastic case containing this drivebelt system is partly exposed after removing the air filter, but remains slightly obscured by a shiny black "bracket" thingy that routes some pipework onto the top of the engine. It appears the outer cover of the case may be released by undoing two plastic clips on the top edge, but maybe I need to remove more to get it off??
I then need to know how to re-tension a new belt and idler.

Any help much appreciated - and apologies in advance if I've missed a write-up somewhere!

Thanks,
Robin
joopajaa   
Sat Jul 07 2018, 06:50am
Joined: Sep 06 2017
Member No: #3261
Location: Byroslavia, FIN
 I'm doing this belt also now and the best guide I found might be this:

- Click Here -
321dave   
Sat Jul 07 2018, 08:59am
Joined: Sep 09 2011
Member No: #614
Location: Dublin
joopajaa wrote ...

I'm doing this belt also now and the best guide I found might be this:

- Click Here -


Have a look here in the tech doc section downloads. Camshaft change 2.7hdi has details as well!
- Click Here -
MGmike   
Sat Jul 07 2018, 01:20pm
Joined: May 21 2017
Member No: #3151
Location: South Queensferry
 this might help.
the tensioner base locates in to a cut out in the base and then fit the belt and pull the pin to allow the spring to take up the slack.



The shiny bit at the top holds the engine harness and can be loosened off to help access but doesn't give you a lot more!
joopajaa   
Wed Jul 11 2018, 07:12pm
Joined: Sep 06 2017
Member No: #3261
Location: Byroslavia, FIN
 I did it by removing the wiring harness plastics and bending the water pipe from fuel filter housing a bit. It was very tight to get the cover out (to the front in my case). Quite fast thing to do anyway but I guess it is only done at the same time with cam belt.

The picture on above shows a broken wiring plastic holder - its only holded by the one bolt shown.
 

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