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camshaft plug

Help, Advice, Owners' Discussion and DIY Tutorials on all Volvo's "mid era" rear wheel drive Volvos.

1975 - 1993 240
1983 - 1992 740
1982 - 1991 760
1986 - 1991 780
1990 - 1998 940
1990 - 1998 960
1997 - 1998 V90/S90

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ruvyrk
Posts: 6
Joined: 5 June 2011
Year and Model: 1986 dl140
Location: New Jersey

camshaft plug

Post by ruvyrk »

my 86 240dl is leaking oil from the rear camshaft plug. when driving on the highway the smoke from the leaking oil burning was billowing out. my machanic says the tranny needs to come down in order to get to it, but a friend tells me that there is a plug tool that can push the plug in from the top. does anyone know what hes talking about, and if so where i could get such a tool?

jimmy57
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Post by jimmy57 »

The plug can be pushed in using a block of wood, a socket or large nut on the plug, and a pry bar. You use the firewall with wood block as the surface to pry against and the socket or large nut will distribute the load so you don't harm new plug. The plug can pushed in with strong hands too as it isn't that hard.
The old plug is likely sticking out and can be pried out with screwdriver.
My first worry is the crankcase pressure may be high due to crankcase vent system being plugged and a new plug may come out.

ruvyrk
Posts: 6
Joined: 5 June 2011
Year and Model: 1986 dl140
Location: New Jersey

Post by ruvyrk »

ok thanks ill have the cv system checked out first

ruvyrk
Posts: 6
Joined: 5 June 2011
Year and Model: 1986 dl140
Location: New Jersey

Post by ruvyrk »

hi again i had asked my mechanic about the oil leak and he, having admitted to having no knowlege whatsoever about volvos and not wanting to have anything to do with them, looked up the problem online and was ranting on about the flame trap. he had no idea what it was and how to change it. he therefore washed his hands from me and my volvo which is why the car has been sitting on his lot for two wks. i just discovered that the flame trap is volvos term for the pcv valve. that taken care of i cant figure out if the cam plug is the part which is also called the rear camshaft seal, which is a rubber seal. the part my mechanic was sent before he gave up was a metal ring that seems its supposed to go onto a shaft. also there doesnt seem to be any room behind the engine to get anything in, like the block of wood you suggested using.

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