Hi
I am in the process of resembling my T6 motor. I had a blown head gasket. I have removed and reinstalled cylinder head after installing a new gasket and bolts.
I am at the step of reinstalling the cams and the cam cover. I am needing some guidance to move forward .
What position do the cams need to be in when the cover is installed?
The crankshaft is obits timing marks.
Any help is appreciated. Pictures are more than welcome.
Thanks in advance.
2001S80T6 camshaft reinstallation
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RickHaleParker
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There is a tool for aligning the cams. It connects to the back of the cams. Study the rear ends of the cams, the groves are off-center. When aligning the timing, the groves are horizontal, Intake is above center, exhaust is below center.
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1998 C70, B5234T3, 16T, AW50-42, Bosch Motronic 4.4, Special Edition package.
2003 S40, B4204T3, 14T twin scroll AW55-50/51SN, Siemens EMS 2000.
2004 S60R, B8444S TF80 AWD. Yamaha V8 conversion
2005 XC90 T6 Executive, B6294T, 4T65 AWD, Bosch Motronic 7.0.
1998 C70, B5234T3, 16T, AW50-42, Bosch Motronic 4.4, Special Edition package.
2003 S40, B4204T3, 14T twin scroll AW55-50/51SN, Siemens EMS 2000.
2004 S60R, B8444S TF80 AWD. Yamaha V8 conversion
2005 XC90 T6 Executive, B6294T, 4T65 AWD, Bosch Motronic 7.0.
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SuperHerman
- Posts: 1798
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Any updates? The cam direction layout is pretty typical Volvo - so you can look at the other engines (2.3, 2.4 and 2.5) which have loads of write ups on with pictures
The special timing tools are very helpful here to set the timing right. I have heard of people doing them without tools, but the cams like to move - you can fashion a jig - also plenty of info on this. Homemade jigs usually don't work for removal, but many have had great success for setting timing.
Just make sure you follow what RickHaleParker mentions about where the grove goes on each cam - many have not followed it or not been aware of the slight difference and have had to go back to correct.
The special timing tools are very helpful here to set the timing right. I have heard of people doing them without tools, but the cams like to move - you can fashion a jig - also plenty of info on this. Homemade jigs usually don't work for removal, but many have had great success for setting timing.
Just make sure you follow what RickHaleParker mentions about where the grove goes on each cam - many have not followed it or not been aware of the slight difference and have had to go back to correct.
Hi thanks for the comments. I am just now getting to the point where I am reassembling. I had to wait on some parts. I have installed the cams and the cam cover, borrowed an alignment tool from a co-worker.
I am going to remove the tool and check to see if I aligned them correctly before moving to the next step. If they are installed correctly, should the timing marks be basically at 12 o’clock. The exhaust cam is, but the mark on the intake cam is not straight up 12. More like towards 1.
I am going to remove the tool and check to see if I aligned them correctly before moving to the next step. If they are installed correctly, should the timing marks be basically at 12 o’clock. The exhaust cam is, but the mark on the intake cam is not straight up 12. More like towards 1.
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jimmy57
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You don't have the CVVT hub and the intake gear off?
The exhaust hub has a spring and correct alignment for belt install is with that one turned right (Clockwise) to its stop.
The exhaust hub has a spring and correct alignment for belt install is with that one turned right (Clockwise) to its stop.
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RickHaleParker
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If you removed the VVT from the camshaft you will need to realign the VVT to the camshaft. Some people call this preloading the VVT.
See the attached file.
- Attachments
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2001_2.9_VVT.pdf- (215.72 KiB) Downloaded 161 times
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1998 C70, B5234T3, 16T, AW50-42, Bosch Motronic 4.4, Special Edition package.
2003 S40, B4204T3, 14T twin scroll AW55-50/51SN, Siemens EMS 2000.
2004 S60R, B8444S TF80 AWD. Yamaha V8 conversion
2005 XC90 T6 Executive, B6294T, 4T65 AWD, Bosch Motronic 7.0.
1998 C70, B5234T3, 16T, AW50-42, Bosch Motronic 4.4, Special Edition package.
2003 S40, B4204T3, 14T twin scroll AW55-50/51SN, Siemens EMS 2000.
2004 S60R, B8444S TF80 AWD. Yamaha V8 conversion
2005 XC90 T6 Executive, B6294T, 4T65 AWD, Bosch Motronic 7.0.
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SuperHerman
- Posts: 1798
- Joined: 1 December 2014
- Year and Model: 2004 & 2016 XC90
- Location: Minnesota
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The VVT and related cam gear on Volvos are infinitely adjustable. This means they are not tied to the cams until the bolt at the end is tightened down. If you removed the VVT hub proceed per the instuctions RickHaleParker sent.
So you need the cam lock tool correctly installed to place the cam in its correct position and it must remain on. Then you need to put the VVT in the correct position. Then it becomes one unit once aligned and torqued to spec.
So you need the cam lock tool correctly installed to place the cam in its correct position and it must remain on. Then you need to put the VVT in the correct position. Then it becomes one unit once aligned and torqued to spec.
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