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After head gasket replacement question!!!

Help, Advice and DIY Tutorials on Volvo's extremely popular car line -- Volvo's 1990s "bread and butter" cars -- powered by the ubiquitous and durable Volvo inline 5-cylinder engine.

1992 - 1997 850, 850 R, 850 T5-R, 850 T5, 850 GLT
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V70xc1999
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Re: After head gasket replacement question!!!

Post by V70xc1999 » Sun May 05, 2019 7:38 pm

I found a pretty bad fuel leak.....the rail isnt holding any pressure after I turn it off.....gonna fix the line tmro.......that would couse the black smome from the resurch I did....maybe the imfo I read was wrong IDK.....WOULDwould it couse the blackish smoke?



tardcart
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Re: After head gasket replacement question!!!

Post by tardcart » Sun May 05, 2019 7:46 pm

black smoke would be rich mix. check the vac lines to the fuel damper/regulator, or an incorrect MAFF or TPS input. also ox sensor could be bad. try to read codes. no harm in trying starting it if timing belt on properly.



V70xc1999
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Re: After head gasket replacement question!!!

Post by V70xc1999 » Mon May 06, 2019 12:06 pm

Started it back up running but sounds like a tractor and has alot of gray smoke......no check engine ligh



V70xc1999
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Re: After head gasket replacement question!!!

Post by V70xc1999 » Mon May 06, 2019 12:12 pm

Im guessing its the valve stem seals.....i dont think i seated them propper.....its like a gray blue smoke.....and smells like oil. If I don't seat them right and they where lose whould itcouse it to run loud like a tractor?



tardcart
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Re: After head gasket replacement question!!!

Post by tardcart » Mon May 06, 2019 3:31 pm

blue grey is oil. white is break fluid or antifreeze. do you mean like a diesel sound like marbles in a can? or is the exhaust loud? I guess
it may be the seals, you dont want to run it too much and clog the cat if its not burning off. Did you check to see if the belt is tight? pull the front cover, turn the steering wheel to the right, pick up the flap and turn the dampner clockwise until the line on the face of it lines up with the front timing belt and see if both the cams are close to the marks before you remove the cam cover. something changed after an hour of idling. could be timing, stuck open fuel injectors black smoke), valve seals, head gasket and even the turbo oil seal. you could check the intercooler pipe for oil.



V70xc1999
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Re: After head gasket replacement question!!!

Post by V70xc1999 » Mon May 06, 2019 3:34 pm

What would oil in the inner cooler mean?



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erikv11
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Re: After head gasket replacement question!!!

Post by erikv11 » Mon May 06, 2019 4:29 pm

If there were a lot of oil in the IC, it may mean turbo seals are bad. But that is very, very rare on these Mitsubishi TD04-HL turbos. And there is ALWAYS some oil in there.


'95 854 T5-R, Motronic 4.4, 185k
'96 855 NA, 140k
'98 S70 NA, 210k (living out west)
'98 V70, T5 tune-injectors-turbo, LPT engine, 280k
'06 S60 R, 160k
gone: '96 NA 850 210k, '98 NA V70 182k

V70xc1999
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V70xc1999

Re: After head gasket replacement question!!!

Post by V70xc1999 » Mon May 06, 2019 4:40 pm

This is what it is spitting out exhaust........I have no cat on this took it off a while back.......
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tardcart
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Re: After head gasket replacement question!!!

Post by tardcart » Mon May 06, 2019 4:59 pm

so start at the beginning. what did you have the head off for (over heat) (compression problem) (fluids in combustion or combustion in fluids or mixing of fluids) (to do a valve job) or did you only pull the cover to put na cams in and seals? How did you pull the the cover off and down? surface the head or check for flat? there is not enough information to help. that looks like oil but you can taste it to see if it's sweet. how do the fluids look and maintain level?



V70xc1999
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Re: After head gasket replacement question!!!

Post by V70xc1999 » Tue May 07, 2019 9:33 am

Well as I am tearing of the cam cover I found this. It was not like thos when I re installed. Whatwould couse this to just like rip in half?
15572431381062263769390765866924.jpg
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