1999 v70 XC AWD 2.4 timing marks? - Volvo Forums - Volvo Enthusiast Forum - Volvo Community - Volvo Repair
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post #1 of 22 (permalink) Old 12-12-2008 Thread Starter
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Question 1999 v70 XC AWD 2.4 timing marks?

Where are the cam marks on the exhaust and intake cams. The intake cam has a mark "l" on the front side of the gear. The exhaust has a mark "l" on the back side. Both cams have a "M" on them. I have replace the belt using the "l"
and it runs rough, missing on cylinder 4. Volvo dealer will not help. Any advice?
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post #2 of 22 (permalink) Old 12-12-2008
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Do you see any markings on the outside of the exhaust cam? This doesn't sound good my friend.
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post #3 of 22 (permalink) Old 12-12-2008 Thread Starter
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Question

Is it possible that the cam is off enough to allow cylinder 4 not to fire because of lack of compression?
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post #4 of 22 (permalink) Old 12-12-2008
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kmellot I've put in a call to someone I know who knows more about this than I do. I'll post up when I get a reply.

Thanks
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post #5 of 22 (permalink) Old 12-12-2008
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Here's the response I got...

If the mark alignment was wrong the problem would be more then cyl 4. Cyl # 4 could have bent valve. Why was the timing belt changed & was the car running rough before?
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post #6 of 22 (permalink) Old 02-22-2009 Thread Starter
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Question 1999 2.4L head bolt torque, 15# 44# then 130 degrees

I am re-installing the head and found that the torque is 15, 44, then 103 degrees. I do not know what the 130 Degrees means.

Can any one help?
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post #7 of 22 (permalink) Old 02-26-2009 Thread Starter
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I finally got the head back on and now need a vacuum hoe diagram.
I didn't mark the hoses. Thought my memory would suffice. Does anyone know where I can get a vacuum diagram for a 1999 V70 AWD turbo 2.4?
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post #8 of 22 (permalink) Old 02-26-2009 Thread Starter
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I finally got the head back on and now need a vacuum hoe diagram.
I didn't mark the hoses. Thought my memory would suffice. Does anyone know where I can get a vacuum diagram for a 1999 V70 AWD turbo 2.4?
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post #9 of 22 (permalink) Old 02-27-2009
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Have you checked the underside of your hood. I believe there is a vacuum hose diagram there.

2005 VOLVO V70
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post #10 of 22 (permalink) Old 02-28-2009 Thread Starter
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Question vacuum diagram

I found it but it shows the red hose going to the pressure regulator from the TCV. I have a hose coded with a red dot that goes somewhere. I cannot figure it out from the diagram.

Also, thanks SULLEY007 for all the hard work and time you put into this forum.
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Try PM or Emailing user rfilori. He is very experienced and can probably help you out. Thanks for the 'thanks' on the forum. Hopefully we can get you a quick answer here.
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The hose with the red dot.....where does it come from? Or, is it totally removed at both ends? Is there a vacuum fitting on the pressure regulator that is left naked currently?
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post #13 of 22 (permalink) Old 03-03-2009 Thread Starter
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Question where is the pressure regulator?

The diagram under the hood shows that the hose (red on the diagram, and coded with a red dot where it attaches to the TCV switch, at least I believe it is a TCV switch) goes from the TCV to the pressure regulator. I can't find the pressure regulator. The diagram shows it along the passenger side firewall. Not there.
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The pressure regulator should be mounted on or near the injector rail.
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turbo pressure regulator is located on the turbo pretty sure its on the top. lay over the top of the motor and look down on the drivers(left) side of the turbo it should be sitting right there next to the block. as for the timing marks the intake and exhaust cams are marked with a dimple on the FACE of the pulley, look at them from the right(passenger) side. the crank gear is slightly different. it has 2 marks on consecutive teeth. the mark is in between the marks. best bet would be to remove the crank pulley for the serpentine belt(4 bolts and a big 31 or 32 mm nut) so you can see the marks better. you should have reinstalled the coil cover/timing gear cover on the topside bc this is where you line up your cam marks.
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sorry to clarify the crank gear has 2 marks on 2 consecutive teeth, the put the pointer in between the 2 marks.
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post #17 of 22 (permalink) Old 03-05-2009 Thread Starter
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runs rough like the timing is slightly off, marks line up

The vacuum hose went to the turbo, Thanks for the help. The engine is all back together and started. No leaks. It runs rough. ETC light is on. It runs like an engine that needs the distributor slightly adjusted. You know, the old way we adjusted timing. Any suggestions.
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post #18 of 22 (permalink) Old 03-07-2009 Thread Starter
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I cleared all codes except SRS. The engine pulsates at idle no matter what gear it is in. any suggestions.
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clean out the throttle unit with some carb clean... like spotless clean esp around the butterfly hinge and make sure the pcv system is clear.
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change the gasket too
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