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Cam cover gasket??? V70-XC70 1998

posted by  someone claiming to be masher on  Fri Jan 14 02:40 CST 2005 [RELATED]

OK....my 98 V70 turbo appears to be weaping oil now from what us old dudes would call the "valve cover" or whats now known as the "cam cover". I have looked on numerous part sites but no one lists a gasket! Is there a factory one or is it a "apply sealer #XXX" type?








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    Cam cover gasket??? V70-XC70 1998

    posted by  Chrissij on  Sat Jan 15 16:12 CST 2005
    Author: [PROFILE] [EVERY POST] [THREADS] [BEST POSTS] RSS Feed     [IGNORE ALL POSTS]
    last visit: Mon Nov 22 04:11 CST 2010
    [RELATED]

    It's not just the oil cap seal? Never ever have I seen a valve cover leak on an 850 or 70 series that had not had the head replaced at some point in time. I've seen normally aspirated cars leak from the oil trap hose that sits atop the intake and just under the spark plug cover. They get brittle after years of service...It would be quite odd for you to have a valve cover leak. Not to say that it can't happen, but...

    Chris








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    Cam cover gasket??? V70-XC70 1998

    posted by  someone claiming to be 4 Volvos on  Fri Jan 14 03:24 CST 2005 [RELATED]

    There is no gasket ,it is a machine fit and uses a sealer that is avaiable from Volvo. It is not an easy job however as you will need a host of special tools to get the job done correctly.Are you positive that the leak is fron there? Usually its the oil filler cap gasket.I have also on rare occasions seen oil weep out from one of the bolts that hold the cover down.








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      4vovlos............. V70-XC70 1998

      posted by  someone claiming to be masher on  Fri Jan 14 09:15 CST 2005 [RELATED]

      What type of tools will I need? I have a pretty extensive collection as restoring cars is a hobby as well. It IS starting to weep and it "may be" from the bolts. Can I seal anything with them? Also if the cover is leaking, is the Volvo sealer basically the Red high-temp sillycone type? I can't beleive Volvo has some special "volvo grade" sealer! Your help is appreciated!








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        4vovlos............. V70-XC70 1998

        posted by  someone claiming to be 4 Volvos on  Fri Jan 14 10:47 CST 2005 [RELATED]

        When you take the cover off you have to remove the timing belt and cam gears to get to the front and rear cam seals.Also you will have to have 2 special tools that locate the cams in the position that they need to be so that they are timed with the pistons. NOTE THAT THIS POSITION FOR ALINEMENT IS NOT #1 AT T.D.C. ON THE FIRING STROKE LIKE OLDER RED MOTORS.The next tool that you need is 2 special press tools that screw into the plug holes that pull down the cover/cams evenly so there is no warp and the sealant is crushed evenly. The sealant is not any thing like red silicone.DO NOT USE THAT STUFF. You will be doing the job all over with oil leaking all over not just in one spot.I get cars in all the time from independents that try that stuff and it does not work. The good news is that the sealant is used for all applications on all "white motors" where a gasket is not used ,so say if you ever have to replace or take off the oil pan you will have the leftover stuff to do it. It lasts forever and will not dry up in the tube as it is some what like loctite in that it is anerobic.It is applied with a neoprene paint roller (or sponge rubber) you do not want to use a roller that may leave fibres or residue in the sealant. The position that the pistons and cams have to be in is the same one that you put the engine in if the t-belt was being changed so if you attempt this job,do that 1st.








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          4vovlos............. V70-XC70 1998

          posted by  someone claiming to be 4 Volvos on  Fri Jan 14 10:57 CST 2005 [RELATED]

          I forgot one other thing,there is a special tool;pliers that have a reverse opening and are angled 90 degrees that are use to separate the cover from the head.Also if you do this be sure to release the cover evenly and NEVER stick a screwdriver between the machined surfaces.Also you have to lift the cover off straight up so you do not brake the thrust castings on the cover. Use spray on paint remover to take the old sealant off not a scraper.If you scratch it deeply now you are in deep S%$T because only new parts will stop a large leak.New parts as in a new head/cover.








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            Oh well....................... V70-XC70 1998

            posted by  someone claiming to be masher on  Tue Jan 18 02:39 CST 2005 [RELATED]

            After 4volvos description I am going to have to get underneath and really see where it may be leaking.............its just an annoyance thing. As for whats involved..........maybe as a long term "learn something" project it would be fine but this is my everyday car and with all those special tools....forget it!
            Hey............as they say...oil is cheap! 4volvos...thanks for all your detail.
            Are you actually a volvo Tech? Just curious!







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