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850 / S70 & V70 '96-'99 / C70 '97-'05 General Forum for the 850 and P80-platform 70-series models |
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Cam belt changeViews : 1113 Replies : 12Users Viewing This Thread : |
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Nov 20th, 2021, 14:56 | #1 |
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Cam belt change
Hi, done a few cam belts in my time but first attempt at a twin cam....week
99 V70 Engine B5244s Any special tools or info would be appreciated Thanks |
Nov 21st, 2021, 13:29 | #2 |
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Did mine recently. You don't need any specialist tools unless you intend to remove the crankshaft harmonic pulley, in which case this is handy:
https://www.ebay.co.uk/itm/383612998...IAAOSwtGRe1bzy It is possible to get the new belt on without removing this pulley - just. You might want to check though that the pulley rubber has not perished. In which case it might be worth replacing this pulley. |
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Nov 21st, 2021, 15:13 | #3 | |
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Quote:
New belt with tensioner . I assume I can just remove the pulleys and change the seals? |
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Nov 22nd, 2021, 09:43 | #4 |
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If you are removing the vvt pulley (assuming its ME7) you will need the locking pins for the camshafts. If only removing the front pulley you should be fine with marking them, I'm fairly sure the front pulley is keyed, but I will let someone else confirm.
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Nov 24th, 2021, 08:45 | #5 | |
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Quote:
It's a late 99 model with B5244S Bosh ECU with a lot of Denso stuff fitted. It has an electronic throttle body which I have cleaned out a couple of times. No throttle cable. I'm doing the job because it's developed an oil leak on the front of the engine in the inlet camshaft seal. I believe this has happened partly through age but mainly due to the PCV system being blocked. So I'm planning to do the whole lot at once. New PCV system. New timing belt and tensioner and of course be camshaft seals. Car is a 99 on 134000 miles. It's only ever had the CVVT solinoid and radiator changed. Oh, and the usual ABS and alarm faults. It's never broken down since we've had it(2002) Main dealer serviced till about 2012. Now not being driven as my wife has an XC90 to play with but she doesn't want to sell the 70 as she says it her old faithful and never let her down. Anyway. It looks like I'm going to need a camshaft locking tool so I don't lose the timing? |
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Nov 24th, 2021, 09:42 | #6 |
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You will also need a new camshaft end cap seal. It will need prising out to fit the tool and are a single use item. The camshaft sensor is fitted to the other cam hence only one seal.needed.
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Nov 24th, 2021, 13:31 | #7 | |
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Quote:
My memory muddled me but I believe that one is the CVVT hub as the solinoid is just above it. |
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Nov 24th, 2021, 15:16 | #8 |
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Yes, that is correct. The seal I am talking about is at the other end of the cam - a round black cap - that needs to be removed to fit the locking tool. Easy to overlook until you come to re-assemble, then it is b*gger I need a new seal.
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Nov 24th, 2021, 15:20 | #9 | |
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Quote:
James |
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Nov 24th, 2021, 19:57 | #10 |
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I have never had the need to remove the pulleys from the cams so not familiar with that.
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