95.5-2004 Tacomas & 96-2002 4Runners 4th gen pickups and 3rd gen 4Runners

Valve Cover gaskets

Old Oct 28, 2020 | 06:11 PM
  #1  
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Valve Cover gaskets

3rd Gen 6cyl, 195k miles, valve cover gaskets have started to leak and starting to smoke. Is it possible to change out without removing 2gen Supercharger???

BJ
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Old Oct 29, 2020 | 07:01 AM
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I can't see how, maybe the passenger side, but the driver side I don't think so.
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Old Oct 30, 2020 | 05:58 AM
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Not sure about clearance on the supercharger, but with the regular (and likely smaller) intake mani I'd agree with Malcolm - it's vaguely feasible to get the passenger side done, not even worth trying on the driver side.

As a short term fix, you might try ***GENTLY*** tightening all the bolts you can reach. They have rubber washers under the bolt heads, which shrink and collapse over time, allowing the valve cover to get loose and start leaking. Gently tighten them (cranking them down tight is just a recipe for breaking the valve cover) might stop the leak for another 20 - 30K miles.
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Old Nov 1, 2020 | 01:53 PM
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Many thanks for both answers. It is tight for sure on the drivers. will try gently tweekin the valve cover gasket for now. Will buy the gaskets and have ready.
BJ

Last edited by BMJ; Nov 1, 2020 at 01:54 PM.
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Old Nov 1, 2020 | 06:01 PM
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Many times....the 10 mm bolts loosen up.
try a cleaning and a bit of tightening first.
mine were very loose.
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