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#1
11-03-2006, 09:18 AM
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Crankshaft alignment pins............
Upon reinstalling the crank balancer on my 617, it seems that the alignment pins grew some in width. The pin position on my engine is slightly offset so I don't have the problem of installing the balancer 180 degrees off. As I was tightening & checking for proper alignment, when it finally all came together, the pins seem to have their edges shredded some-like a few thousands of an inch. Talk about a tight fit! I checked the crank timing with the opening of the valves per the manual & it's right on the money-so I guess I'm happy!?
Just don't like to see stuff like this when putting an engine together. Paul.
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1984 300CD red/blk 290,000 partial resto 1980 240D 4 sp Brn/palomino gone 1997 Mazda Miata STO edition wife's baby 1988 Lincoln Mark VII LSC next resto 1986 Subaru GL wagon daily 1993 Isuzu pickup field beater 2008 Honda Civic EX-L 5sp wife's new car 1978 Honda XL350 1974 Honda XL70 my Calif. ride in HS 
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#2
11-03-2006, 09:44 AM
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I had this same problem on my 82 300dt. My engine had sheared these pins in half soI had to put the new pins in a drill and sand them down a tiny bit to make them fit without tearing them up. Now the car will not start. Where in the manual did you find the procedure to check the timing that way?
will
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Will 94 E420 82 300DT 77 F250 4x4 429 Cobra Jet 69 Thunderbird 429 Thunder Jet 92 Mitsubishi Galant VR-4
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#3
11-03-2006, 10:04 AM
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There may be a few places. Many procedures overlap one another. I found one at replacing the camshaft. Section 05-220 on the first page. It shows timing at a 2mm valve lift. This would be for cyl 1. I went off of the intake valve opening after top dead center. When it has opened a distance of 2mm, the balancer should read 9 degrees after top dead center (11 degrees with used timing chain). I believe something as simple as a haynes manual has a page on this also.
The notch on the compensating washer near the front of the camshaft is close, but it's main purpose is for aiding in chain, cam or gear replacement. To make sure you're not a tooth off in valve timing. I have a new chain & it also worked out good for me. When the notch was perfectly aligned with the line on the front cam tower, my balancer was at top dead center on the compression stroke. Hope this helps, Paul.
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1984 300CD red/blk 290,000 partial resto 1980 240D 4 sp Brn/palomino gone 1997 Mazda Miata STO edition wife's baby 1988 Lincoln Mark VII LSC next resto 1986 Subaru GL wagon daily 1993 Isuzu pickup field beater 2008 Honda Civic EX-L 5sp wife's new car 1978 Honda XL350 1974 Honda XL70 my Calif. ride in HS
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#4
11-03-2006, 05:42 PM
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Had the same thing happen when I replaced the front seal. Checked with the W123 mechanic at the dealer and he said that it was fine. Usually happens when you remove and replace the balancer.
Dave
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1970 220D, owned 1980-1990 1980 240D, owned 1990-1992 1982 300TD, owned 1992-1993 1986 300SDL, owned 1993-2004 1999 E300, owned 1999-2003 1982 300TD, 213,880mi, owned since Nov 18, 1991- Aug 4, 2010 SOLD 1988 560SL, 100,000mi, owned since 1995 1965 Mustang Fastback Mileage Unknown(My sons) 1983 240D, 176,000mi (My daughers) owned since 2004 2007 Honda Accord EX-L I4 auto, the new daily driver 1985 300D 264,000mi Son's new daily driver.(sold) 2008 Hyundai Tiberon. Daughters new car
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#5
11-04-2006, 08:18 AM
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Thanks
I feel better now, thanks Dave. Is that you in the picture? I used to work as a mechanic for Airtran Airways, Paul.
__________________
1984 300CD red/blk 290,000 partial resto 1980 240D 4 sp Brn/palomino gone 1997 Mazda Miata STO edition wife's baby 1988 Lincoln Mark VII LSC next resto 1986 Subaru GL wagon daily 1993 Isuzu pickup field beater 2008 Honda Civic EX-L 5sp wife's new car 1978 Honda XL350 1974 Honda XL70 my Calif. ride in HS
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