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2011 C70 T5 Camshaft seal replacement - Timing check

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.
MJ67
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Year and Model: 2011 Volvo C70 T5
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MJ67

2011 C70 T5 Camshaft seal replacement - Timing check

Post by MJ67 » Fri Jul 06, 2018 8:30 am

Hi Everyone,

I am not new to mechanical work but I am new to a Volvo. I am trying to confirm that I have the timing in the right position before pulling the camshaft sprockets to replace the seals. I am attaching a few pictures and if someone can confirm that it looks correct, I guess I will go with it.
Thanks in Advance,
MJ67
Attachments
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jimmy57
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Year and Model: 2004 V70R GT, et al
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jimmy57

Re: 2011 C70 T5 Camshaft seal replacement - Timing check

Post by jimmy57 » Fri Jul 06, 2018 1:51 pm

It is in time but the variable cam timing units/gears are not put on cams with keys. The bolt holds them in place and when bolt under the Torx plug is removed the timing is lost. The cam timing is set with a locking tool on back end of heads. The back end of cams has a slot cut offset a few thousands on each cam. The slots are parallel to the parting line of head top cover to head seam. One cam has slot offset to top and the other offset to bottom when it is set right.

MJ67
Posts: 10
Joined: Thu Jul 05, 2018 11:11 pm
Year and Model: 2011 Volvo C70 T5
Location: Louisiana
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Re: 2011 C70 T5 Camshaft seal replacement - Timing check

Post by MJ67 » Fri Jul 06, 2018 8:17 pm

Well that is going to be a problem.....lol I went ahead and started the process. I have the Torx plugs removed, and broke and loosened the bolts to the cams, and pulled off belt, and water pump. Is there a procedure for setting the time back when assembling the cams? Or am I FUBAR?

Thanks for the info Jimmy! Wish I would have gotten this info before breaking the bolts lose.
MJ67

jimmy57
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Joined: Fri Nov 12, 2010 9:25 am
Year and Model: 2004 V70R GT, et al
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Re: 2011 C70 T5 Camshaft seal replacement - Timing check

Post by jimmy57 » Fri Jul 06, 2018 8:47 pm

The cam position setting tools also serve as counterholds for tightening the bolts. The belt is tensioned first so the phasers/gears go to the right position with the bolts loose and then the TX 55 bolts are torqued to 90 lb-ft with belt tensioner secured. I have never tried tightening those bolts with the cams set to the right position but not held. I have no idea if they will move or not. The system has some forgiveness but there is a limit to it or it will not be able to set cam to right place before the hub goes to its travel limit.

MJ67
Posts: 10
Joined: Thu Jul 05, 2018 11:11 pm
Year and Model: 2011 Volvo C70 T5
Location: Louisiana
Has thanked: 0
Been thanked: 1 time
United States of America
MJ67

Re: 2011 C70 T5 Camshaft seal replacement - Timing check

Post by MJ67 » Fri Jul 06, 2018 10:19 pm

So if I order the FCP euro Volvo Cam Locking Tool, and finish changing the front cam seals, water pump, and tensioner and idler pulley, then when I get the locking tool, lock the cams in the right position. re-install the gears and belt, then torque them to specs, will it all be ok? I don't have a lot of options at this point. I thought about making one that I found on the site, but I would rather spend the 85.00 and get the right tool. What is your take on it?
Thanks again for your responses.
MJ7

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