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> 10mm Box Wrench For Pcv Oil Trap
post Sep 2 2005, 03:04 PM
Post #1


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I found this very useful information to remove the left hand side of the PCV oil trap mounting bolt. A 10 mm socket can't be located on the bolt due to a tight space. Sholt (vvspy.com id, Brian T, San Diego) made a 10mm customized wrench as shown below. The followings are some of his posts on the vvspy.com

To start you will need a new intake manifold gasket and oil trap seal. Volvo sells these for $21.60 and $5.74 respectively. Disconnect the negative battery cable from the battery in the trunk. Remove the intake air piping to the air filter box. Remove the air piping to the throttle body. Disconnect all of the vacuum lines to the intake manifold and label. Disconnect the electrical connector for the throttle body. Remove the protective cover to the fuel injectors. Disconnect all of the electrical connectors for the injectors. Relieve the fuel pressure in the fuel rail. Disconnect the fuel line at the quick disconnect fitting. You will need a quick disconnect tool available at any auto parts store. Remove the top row of bolts from the intake manifold. Remove the the outer bolts from the lower row of the intake manifold. Loosen the remaining bolts on the lower row and lift off the intake manifold. Now you can see that oil leaking trap. There are two 10mm bolts that hold the oil trap box up against the seal on the engine block. The right one is easily removed. The left one (Passenger side of vehicle) is obscured by the accessory bracket. You will need a 90 deg 10mm tool in order to loosen this bolt half way out. I made one by cutting the boxed end off of a 10mm box end wrench, then welded the shank of the wrench at a 90 degree angle back onto the box. Without such a tool, the alternative would be to remove all of the accessories and bracket. Once the right bolt is removed and the left one loosened, you now can loosen the outer hose clamp fitting on the hose at the bottom of the oil trap box. Now you can pull the oil trap away from the engine block enough to see the offending seal at the top of the box. Clean both mating surfaces and install the new seal. The new seal has been redesigned with new material and physical shape. Reassembly at this point should be self apparent. DO NOT forget to reattached the fuel line. When all is back together, before reattaching the negative battery cable, insert the ignition key and turn to position II. Attach the neg cable to the battery. Reset a couple of the cars control modules by unlocking the doors with the remote. Reset the sunroof by starting with it closed. Press the open switch to were the sunroof is in the tilt position and release the switch. Press the switch again and hold for at least 5 seconds. Sunroof will then be reset. If you have the standard climate control, then calibrate the blower fan as follows. With ignition on, rotate the blower fan to maximum, rotate to minimun. Blower fan calibration complete. Reset your clock and radio presets. This job is really quite easy with the exception of that 10mm passenger side mounting bolt on the trap. Why they didn't design the bracket with a cut out is beyond me. Remember that this is from memory from recently performing this on a turbo engine. There may be some minor ommissions and or differences with the normally aspirated model. Hope this helps.
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