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2000 V70XC - P0014 "Camshaft Position 'B' - Timing Over-Advanced (Bank 1)"

Help, Advice and DIY Tutorials on Volvo's P80 platform cars -- Volvo's 1990s "bread and butter" cars -- powered by the ubiquitous and durable Volvo inline 5-cylinder engine.

1992 - 1997 850, including 850 R, 850 T-5R, 850 T-5, 850 GLT
1997 - 2000 S70, S70 AWD
1997 - 2000 V70, V70 AWD
1997 - 2000 V70-XC
1997 - 2004 C70

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alvineinstein
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Joined: 25 March 2021
Year and Model: 1998 V70 & 1994 850
Location: Berthoud, CO

2000 V70XC - P0014 "Camshaft Position 'B' - Timing Over-Advanced (Bank 1)"

Post by alvineinstein »

I am getting code P0014 "Camshaft Position 'B' - Timing Over-Advanced (Bank 1)" and for the life of me, can't figure it out. I changed the VVT solenoid to a known good solenoid, check the solenoid outside the car and confirmed that it was working, set the timing with the alignment tool and confirmed that the marks all line up, changed the CAM Position sensor (twice), changed the Crankshaft Position sensor. The next thing I can think is to check out the wiring to the solenoid and I wish I could check to see that the solenoid is working in the car, i.e. - send power to the solenoid through the harness. I believe the phaser/vvt hub is fine...it seemed spring loaded enough while setting the timing?
Any help would be much appreciated! Thanks.

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abscate
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Post by abscate »

Did you set the timing by passing the marks, then returning to the marks by turning the crankshaft backwards about 1/2 a rotation?

If not, your timing is not set correctly.

This is needed for turbo 1999 and all 2000 models
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alvineinstein
Posts: 6
Joined: 25 March 2021
Year and Model: 1998 V70 & 1994 850
Location: Berthoud, CO

Post by alvineinstein »

Honestly I'm not sure if I did. I set the timing marks and then rotated the crankshaft clockwise two full revolution to make sure the timing marks were lined up each time revolution, which they were.
What did I miss? At which point are you rotating 1/2 turn clockwise and then back to line up the timing marks?
I know, I'm an idiot, sorry for the dumb question. I think I may have missed that step :/

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Sveedy
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Post by Sveedy »

Basically you line up the marks on the gears and crank, then rotate the crank 90* forward, then back to alignment. Then lock things up and go about installing the belt with the hub loaded.
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alvineinstein
Posts: 6
Joined: 25 March 2021
Year and Model: 1998 V70 & 1994 850
Location: Berthoud, CO

Post by alvineinstein »

I'm just trying to fully understand the procedure:
1) Line up the timing marks
2) Rotate the crankshaft 90 degrees clockwise and then back counterclockwise until the timing marks line up again. ***I think this is the step I missed***
2) Loosen the tensioner and remove the timing belt.
3) Using the CAM locking tool, lock the CAMs.
4) Take off the VVT hub cap, then bolt, thereby allowing the VVT hub to turn independently from the CAM shaft.
5) Loosen the three 8mm adjuster bolts on the VVT hub allowing the sprocket to move on the VVT hub.
6) Turn the exhaust CAM sprocket clockwise, locking out the adjuster bolts in the most clockwise limit, continue turning clockwise, stopping 1 clog/tooth before the timing mark on the top of the timing belt cover.
7) Tighten the VVT hub bolt to the CAM shaft at 88 ft/lbs. without moving the VVT hub or CAM sprocket.
8 ) Tighten the VVT hub cap to 26 ft/lbs.
9) Install the timing belt with all timing marks lined up while the VVT hub is full loaded, or turned clockwise until it stops.
10) Tighten the tensioner by turning the allen key counterclockwise moving the needle through the window continuing to the right of the window. (a little over tightened)
11) Load the VVT hub by turning the VVT cap/plug clockwise until it stops, thereby loading the spring loaded VVT hub, and then tightening the 8mm adjustment bolts.
12) Remove the CAM locking tool.
13) Rotate the allen key on the tensioner clockwise bringing the needle back into the window (depending on the ambient temperature).
14) Rotate the crankshaft clockwise two cycles making sure the timing marks line up each cycle.

I think the reason I missed/skipped the second step is because I felt like I'm realigning the CAMs anyway, so why do I need to rotate the engine forward by 90 degrees and then back to the timing marks.
I'm sure there is a very good reason for this step, I'm hoping someone that is smarter than I can elucidate it for me, specifically abscate.
As a side note, after I followed the procedure, minus step 2) the 8mm adjuster bolts holding the sprocket to the VVT hub are in the center.
Can I, or should I, adjust those adjuster bolts; i.e. moving the adjuster bolts clockwise or counterclockwise in the adjuster slots. If so, how is that accomplished?
Thank you very much!

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