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Once you have taken off the flywheel, starter driven gear and the needle bearing inside the starter driven gear you should be able to get a clear view of the cam plate, tensioner blade, chain guide and tensioner apparatus:
The cam chain plate that goes around the crankshaft and bolts onto the block is part number 14623-415-010 (eBay), and it is held in by a number of bolts with 10mm heads:
Let's start with the one at the top of the chain guide, top left:
The remaining three are also removed with a 10mm socket, and are shorter bolts - 6x16mm - part number 95700-0601600 or 95701-0601600 (eBay):
All up you should now have four bolts and a loose cam set plate:
At this point the only thing still attaching the set plate to the motor is the spring:
Carefully - without stretching the spring any more than you have to - remove the set plate and then separate the spring from the plate. Plate removed:
Now we can turn our attention to the cam tensioner lock bolt:
This takes a 10mm socket:
Note the O-ring around it - CHANGE THIS OUT IF YOU HAVE THE MOTOR OPEN. It's really, really tedious having to take engine out and the back cover off just to change one tiny O-ring a couple of months after you did a triple bypass... don't ask how I know. It's part number 91312-415-000 and is available from Partzilla or David Silver. There specs of it are on this page.
Here it is partially undone - you can see a metal collar inside the tensioner arm, part number 14539-415-000 - it's a 7x13.2mm collar. Don't lose it. The arm's part number, incidentally, is 14510-415-000.
Now you should be looking at this:
Looking at the guide side first - photo left:
These should lift away without too much hassle:
The cam chain guide is part number 14600-415-305 (eBay) or 14620-415-014. Don't buy used ones - they're available new, see the triple/quadruple bypass parts list page for links. The little metal plate - called the Set Plate A - is part number 14624-415-000 (eBay). In case you forget which way the cam set plate is supposed to go back on, here's a photo:
Onto the other side, the tensioner blade, little collar, spring and tensioner arm can usually be slid off as a single piece:
The tensioner blade is part number 14500-415-013 or 14500-470-751 (eBay)- same as with the guide, don't buy used as they are available new - see the triple or quadruple bypass parts list page. The tensioner spring is part number 14515-415-000, the little R-clip 94251-06000 (eBay).
And with that you're all done. If you're doing this as part of the triple or quadruple bypass procedure, click here to go back to those pages.
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