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How do you set valve timing

Tiny
DOUGLASGIRL86
  • MEMBER
  • 1999 VOLVO S80
  • 200,000 MILES
How do you set the camshaft timing on my engine? I am having problems and would like you guys to help.

This site rocks by the way!
Saturday, February 18th, 2012 AT 11:22 PM

27 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Put piston number one on its compression stroke/TDC then align the cam and crank. See below.
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Sunday, February 19th, 2012 AT 12:19 AM
Tiny
DOUGLASGIRL86
  • MEMBER
  • 11 POSTS
How do you align the bottom crank shaft?
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Sunday, February 19th, 2012 AT 12:44 AM
Tiny
RIVERMIKERAT
  • MECHANIC
  • 6,110 POSTS
With a wrench or ratchet on the crank bolt.
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Sunday, February 19th, 2012 AT 12:54 AM
Tiny
DOUGLASGIRL86
  • MEMBER
  • 11 POSTS
Is this for 1999 Volvo s80 2.9?
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Sunday, February 19th, 2012 AT 1:07 AM
Tiny
JIS001
  • MECHANIC
  • 3,411 POSTS
If you are setting timing up after doing a valve job you need the cam and crank lock tool to set up the timing or you will bend the valves again?
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Sunday, February 19th, 2012 AT 5:16 AM
Tiny
DOUGLASGIRL86
  • MEMBER
  • 11 POSTS
Yes, that is what he is trying to do. It still doing the same thing. Turning over but will not start. And he has been trying to start it. So hopefully no valves bent again. :( Do you think he bend my valves again?
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Sunday, February 19th, 2012 AT 12:03 PM
Tiny
RIVERMIKERAT
  • MECHANIC
  • 6,110 POSTS
Maybe. The only way to check for sure besides tearing it down is to perform a compression check. Best to recheck all the gear settings, lock them down and rotate the engine by hand a few times to make sure they are set properly. Then perform the compression test and reassemble.
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Sunday, February 19th, 2012 AT 9:10 PM
Tiny
DOUGLASGIRL86
  • MEMBER
  • 11 POSTS
Yes, because I just paid him to put the heads on, and I cannot afford to get them taken back off. He was trying to start it why it was not in timing. I was telling him I knock the car out of timing when it first back fired on me. And I think that is where he mark it. And I am thinking he does not know how to reset the timing.

He cannot get pass setting the timing. He does not know where to mark it. He tried to start it when he thought he had his marks. I do not know!

Thanks a bunch.
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Sunday, February 19th, 2012 AT 9:37 PM
Tiny
RIVERMIKERAT
  • MECHANIC
  • 6,110 POSTS
Okay, the image above shows the marks. But he needs the locking bar to keep the gears from turning while he installs the belt.
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Sunday, February 19th, 2012 AT 11:54 PM
Tiny
DOUGLASGIRL86
  • MEMBER
  • 11 POSTS
I just talk to the mechanic. He is talking about my model might be locked up. I think we are going to court.
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Monday, February 20th, 2012 AT 1:13 AM
Tiny
JIS001
  • MECHANIC
  • 3,411 POSTS
I agree. Whenever the variable valve timing unit hub is removed you need the cam lock tool to reinstall it since there is no guide on the cam itself. So he needs the proper tools to set the timing. I agree with rivermikerat that you should just take it to another shop that can do the job and send this guy the bill if he cannot fix it right?
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Monday, February 20th, 2012 AT 6:26 AM
Tiny
DOUGLASGIRL86
  • MEMBER
  • 11 POSTS
Thanks all of you guys for saving my car before he make it worse. It is off to Volvo like an hour ago. :) And I will be contacting you guys if I have any question. Fingers cross, lets see what Volvo says.
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Monday, February 20th, 2012 AT 9:26 PM
Tiny
DOUGLASGIRL86
  • MEMBER
  • 11 POSTS
Saved me just in time.
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Monday, February 20th, 2012 AT 9:27 PM
Tiny
RIVERMIKERAT
  • MECHANIC
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Our pleasure. Tell all your friends about us.
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Monday, February 20th, 2012 AT 10:10 PM
Tiny
DOUGLASGIRL86
  • MEMBER
  • 11 POSTS
Hey guys, I just wanted to give you an update on my car. Yes the mechanic bent all the valves and not to mention I only had to bent when I got the head done. Now I have a foreign mechanic fixing it and now it is at the head shop again. Thank you guys for saving me before he put another finger on it. Now he has been nowhere to be found but the police will find him. :) Thanks
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Wednesday, February 29th, 2012 AT 12:40 AM
Tiny
JIS001
  • MECHANIC
  • 3,411 POSTS
Wow! That is messed up. I hope they find him too. Hopefully you will be on the road soon again and have the job done right this time. Good luck to you and thanks for keeping us posted.
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Wednesday, February 29th, 2012 AT 2:57 AM
Tiny
STDO57
  • MEMBER
  • 4 POSTS
  • 1999 VOLVO S80
Six cylinder two wheel drive automatic.

How do you set this when head and cams are replaced? What is the procedure?
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Monday, June 19th, 2017 AT 10:39 PM (Merged)
Tiny
JIS001
  • MECHANIC
  • 3,411 POSTS
First thing you need is the cam locking tool to lock cams in place. Can you get one? Let me know.
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Monday, June 19th, 2017 AT 10:39 PM (Merged)
Tiny
STDO57
  • MEMBER
  • 4 POSTS
Have one, but that VVT has no return spring. Keep getting a cam advanced too far code. How do you set up this VVT with the cam and which way does it move and what is its at rest position?
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Monday, June 19th, 2017 AT 10:39 PM (Merged)
Tiny
JIS001
  • MECHANIC
  • 3,411 POSTS
Is this a turbo or none turbo engine? Also, is VVT on the intake side or exhaust side?
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Monday, June 19th, 2017 AT 10:39 PM (Merged)

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