Question about 1999 Volvo S70

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Valve cover gasket, how to replace? - 1999 Volvo S70

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Rocker Arm (Valve) Cover REMOVAL & INSTALLATION 2.3L 4-Cylinder Engines

  1. Disconnect the negative battery cable.
  2. Label and remove the spark plug wires.
  3. Remove the attaching bolts for the valve cover.
  4. Remove the valve cover from the cylinder head. If necessary, lightly tap the valve cover with a soft hammer to aid in removal. To install:
  5. Thoroughly clean the valve cover and cylinder head gasket mating surfaces.
  6. Install the valve cover on the cylinder head using a new gasket.
  7. Tighten the valve cover bolts to 14 ft. lbs. (20 Nm) in a crisscross pattern.
  8. Install the spark plug wires.
  9. Connect the negative battery cable.
  10. Start the engine and check for leaks. Fig. 1: Valve cover and gasket assembly valve cover gasket, how to - 90953g12.gif
2.8L 6-Cylinder Engine
  1. Disconnect the negative battery cable.
  2. The following steps are necessary if your car has A/C and if you are removing the passenger side valve cover, if you do not need to remove the passenger side valve cover, skip them.
    1. Remove the A/C compressor belt and the compressor from the mounting bracket located on the passenger side of the engine. Do not remove the lines from the compressor.
    2. Place the compressor with the lines attached on the passenger side front shock tower and secure.
    3. Remove the compressor bracket.
  3. Remove the air cleaner-to-throttle body hose.
  4. Label and remove all necessary electrical and vacuum connections.
  5. Remove the attaching bolts for the valve cover(s).
  6. Remove the valve cover(s) from the cylinder head(s). If necessary, lightly tap the valve cover with a soft hammer to aid in removal. To install:
  7. Thoroughly clean the valve cover(s) and cylinder head gasket mating surfaces.
  8. Install the valve cover(s) on the cylinder head(s) using new gaskets.
  9. Tighten the valve cover bolts to 11 ft. lbs. (15 Nm) in a crisscross pattern.
  10. Install all necessary electrical and vacuum connections.
  11. Install the air cleaner assembly.
  12. Install the A/C bracket (if removed).
  13. Install the A/C compressor and belt (if removed).
  14. Connect the negative battery cable.
  15. Start the engine and check for leaks.
2.3L and 2.4L 5-Cylinder, and 2.9L 6-Cylinder Engines The 2.3L and 2.4L 5-cylinder, and 2.9L 6-cylinder engines have a two-piece cylinder head, the upper half and the lower half. The upper half is basically the same as a valve cover, except that it incorporates the bearing caps for the camshafts into the underside.
  1. Disconnect the negative battery cable.
  2. Remove the spark plug access cover.
  3. Label and remove the ignition coils and vent hoses or the distributor cap and wires if equipped.
  4. Check the cam alignment before removing the cylinder head.
  5. Remove the bolts attaching the upper cylinder head.
  6. Remove the upper cylinder head, lightly tap with a soft hammer if necessary. To install:
  7. Thoroughly clean the upper and lower cylinder head gasket mating surfaces.
  8. Apply liquid sealing compound to the upper cylinder head mating surface. WARNING
    Use a roller or your finger to spread sealant, do not use an excessive amount of sealant, or the oil passages could become clogged.
  9. Place the upper cylinder head onto the lower cylinder head.
  10. Check the cam alignment before tightening the cylinder head.
  11. Install Volvo tool number 5454 or equivalent to the upper cylinder head.
  12. Tighten the nut on the tools to seat the upper cylinder head.
  13. Tighten the upper cylinder head bolts, beginning from the center out to 13 ft. lbs. (17 Nm).
  14. Install the ignition coils and hoses or the distributor cap and wires.
  15. Install the spark plug access cover.
  16. Connect the negative battery cable.
  17. Start the vehicle and check for leaks. Fig. 2: Remove the clamp and detach the vent hose 90953p66.jpg
    Fig. 3: Remove the spark plug cover and the plug wires or ignition coils to access the retaining bolts 90953p80.jpg
    Fig. 4: Removvalve cover gasket, how to - 90953p72.jpging bolts 90953p72.jpg
    Fig. 5: A light tap with a soft-faced havalve cover gasket, how to - 90953p81.jpglly required to loosen the valve cover 90953p81.jpg
    Fig. 6: Carefully lift the upper cylinder head up anvalve cover gasket, how to - 90953p82.jpgwer section. Note the integral camshaft bearing caps in the casting 90valve cover gasket, how to - prev.gifpg
prev.gif next.gif

Posted on Jan 29, 2011

  • Duane Wong
    Duane Wong Jan 29, 2011

    The above instructions are for performing a more in depth procedure than just the valve cover gasket, but should give you an idea of what you can do to the engine.

    Click on the X's for diagrams.

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How to remove valve cover on 08 chevy impala 3.5

Posted on May 08, 2013

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

  • 702 Answers

SOURCE: valve cover gasket leaking

When you buy the valve cover set, it will include the spark plug well "O" rings. Simply remove the valve cover and on the underside of the valve cover, you'll see the "O" rings that need replaced and you'll see exactly how the valve cover gasket itself fits.

Posted on Feb 12, 2009

freetek
  • 5569 Answers

SOURCE: 1994 Toyota Corolla - Valve COver Gasket Replacement

You need an aftermarket serviice manual from Haynes or Chilton. They will have that kind of info.
I know of no car (I don't know them all) where that is needed and depending on the cover material (sheet steel or cast), could lead to warping and new leaks. I always use a thin film of silicone whether it is specified or not and there are torque specs for ALL valve covers I have ever seen.  

Posted on Sep 13, 2008

  • 109 Answers

SOURCE: replace valve cover gaskets on subaru svx

I don't have experience with this engine but guess you won't have to remove it for valve cover gasket work but perhaps can lift it a bit [not by hand!] after loosening engine mounts.

Posted on Nov 18, 2008

  • 2 Answers

SOURCE: valve cover gasket replace on a subaru svx

ALL DATA time to R&R valve cover gaskets both sides is 2.1 hours. you will need to remove brackets and connectors on either side, It will also help to take the upper plenium bolts out but not completly pull the plenium. If you don't have a lot of mechanical experiance and some basic tools. you may want to consider to have a local a shop to perform this service for you after you get a estimate. RON.

Posted on Jan 18, 2009

  • 61 Answers

SOURCE: how to replace valve cover gasket 1998 chevy malibu

The first step is to remove all the parts that are in the way of you being able to remove the valve covers. (Ex.: air intake, loose wires etc.) Then you will need to remove your valve covers (using basic tools) and be very careful to not let anything get on your lifters, which your valve covers protect. Once you have the valve covers off compare the new gaskets to make sure they are the right size. Then remove the old gasket and replace with the new one using a high temp gasket sealant (available at any auto parts store) to attach the gasket to the valve covers. Then tighten down snug and check for leaks after replaced. 

Posted on May 06, 2009

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Replace valve cover gasket


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Simple steps to replace the Valve Cover Gaskets on a Jaguar XJ8?


Replace the valve cover gasket if the valve cover gaskets are leaking or if they're worn. The procedure is as follows:--
1)First carefully remove the nuts holding the valve cover to the engine head.2
2)Then pull the valve cover off from the engine head .
3)You can use flat-tip screwdriver to remove the valve cover.
4)It will be very dirty inside so you will have to clean the mating surfaces on both the engine head and the valve cover.
5)Take your time and clean it completely.

6)You can use a bead of RTV sealant on both mating surfaces.

7)Then carefully seat the gasket to top of the engine head.
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Follow the detailed procedure mentioned in the link below to remove replace VALVE cover:----
Click the link below:---
VALVE COVER GASKET REMOVAL GUIDE http://technoanswers.blogspot.in/2012/06/valve-cover-gasket-removal-guide.html

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For more help on these issues,check the link below:---
Car oil leaks from valve cover gasket? http://schematicsdiagram.blogspot.com/2011/12/car-oil-leaks-from-valve-cover-gasket.html

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These details will help.
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How to replace valve cover gasket 1998 chevy malibu


The first step is to remove all the parts that are in the way of you being able to remove the valve covers. (Ex.: air intake, loose wires etc.) Then you will need to remove your valve covers (using basic tools) and be very careful to not let anything get on your lifters, which your valve covers protect. Once you have the valve covers off compare the new gaskets to make sure they are the right size. Then remove the old gasket and replace with the new one using a high temp gasket sealant (available at any auto parts store) to attach the gasket to the valve covers. Then tighten down snug and check for leaks after replaced. 

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Valve cover gasket leaking


When you buy the valve cover set, it will include the spark plug well "O" rings. Simply remove the valve cover and on the underside of the valve cover, you'll see the "O" rings that need replaced and you'll see exactly how the valve cover gasket itself fits.

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hope this helps :)

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