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#1
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All you guys with working AC...Check your Belt Tension!
Well, my compressor started making the "horses on cobblestones" noise last week that indicates by belt needs to be tightened again. Additionally, yesterday it started squealing each time the compressor engaged, so today I got under to re-tension the belt.
What did I find?..... One bolt finger tight, one bolt backed out about 10mm and ONE BOLT MISSING! (the one that passes through the adjuster). I wonder what it would have been like to have the compressor drop out at 70MPH? If I had checked the tension regularly, this could likely have been avoided. Check yours. It's off to the dealer tomorrow to pay exorbitant prices for a bolt and spacer.
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Bob '82 300D Petrol B-G Metallic |
#2
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Why? I'm sure there are several people here that would be happy to send bolts to you.
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#3
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I think I need the spacer too. I can't find the diagram on EPC (can find the compressor, but it doesn't show the mounting). I figure the dealer can confirm exactly what I lost....
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Bob '82 300D Petrol B-G Metallic |
#4
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Fat chance they will have it in stock.... but they are friendly and helpful there...
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1980 240d , chain elongation, cam marks reference: http://www.peachparts.com/shopforum/showthread.php?threadid=10414 http://www.peachparts.com/shopforum/diesel-discussion/305365-9-degrees-chain-stretch.html evap fin cleaning: http://www.peachparts.com/shopforum/showthread.php?t=156207&highlight=evaporator A/C thread http://www.peachparts.com/shopforum/diesel-discussion/297462-c-recommendations-mb-vehicles.html |
#5
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I got lucky at the Virginia Beach Pick-N-Pull last Spring. I grabbed a bunch of metric bolts that were lying under a 300D, including one very large bolt.
Later that Summer, when I decided to get the AC working on my 240D, it turned out to be the large bolt I discovered I needed to replace the broken pivot-bolt that used to attach the AC compressor to my engine block. Happy Motoring, Mark
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DrDKW |
#6
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I'm quite lucky that the pivot bolt and it's associated giant spacer were not the one that was lost.
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Bob '82 300D Petrol B-G Metallic |
#7
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I've been hearing some noise under there, I'll check mine tomorrow. My noise is more of a screeching, I have pulled on the belt, and it's tight. I think I just have bad bearings in the compressor. In fact, been thinking about just pulling it off completely, as I don't use A/C .
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On some nights I still believe that a car with the fuel gauge on empty can run about fifty more miles if you have the right music very loud on the radio. - HST 1983 300SD - 305000 1984 Toyota Landcruiser - 190000 1994 GMC Jimmy - 203000 https://media.giphy.com/media/X3nnss8PAj5aU/giphy.gif |
#8
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Quote:
Happy Motoring, Mark
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DrDKW |
#9
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Update From The Dealer
Well, here is the update.
I'm missing both the bolt (#128) and the bracket that secures the refrigerant line (#134). The bolt is available for $4 and they ordered it for me. The bracket is discontinued and no stock is showing anywhere in the US. But lucky me, the Classic Center is sending me a copy of the drawings so I can make one. Sooooo, anyone have one of these brackets in their junk drawer on on their parts car they'd like to sell? Thanks -
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Bob '82 300D Petrol B-G Metallic |
#10
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Quote:
There's a 300SD at our local junk yard too, but if I have to go retrieve that I'd probably want more $$ for it. Just let me know. I'd get the one off the junkyard car for like $25+shipping.
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-diesel is not just a fuel, its a way of life- '15 GLK250 Bluetec 118k - mine - (OC-123,800) '17 Metris(VITO!) - 37k - wifes (OC-41k) '09 Sprinter 3500 Winnebago View - 62k (OC - 67k) '13 ML350 Bluetec - 95k - dad's (OC-98k) '01 SL500 - 103k(km) - dad's (OC-110,000km) '16 E400 4matic Sedan - 148k - Brothers (OC-155k) |
#11
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Another good reason to use locktite.
Scott
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Scott 1982 Mercedes 240D, 4 speed, 275,000 1988 Porsche 944 Turbo S (70,000) 1987 Porsche 911 Coupe 109,000 (sold) 1998 Mercedes E300 TurboDiesel 147,000 (sold) 1985 Mercedes 300D 227,000 (totaled by inattentive driver with no insurance!) 1997 Mercedes E300 Diesel 236,000 (sold) 1995 Ducati 900SS (sold) 1987 VW Jetta GLI 157,000 (sold) 1986 Camaro 125,000 (sold - P.O.S.) 1977 Corvette L82 125,000 (sold) 1965 Pontiac GTO 15,000 restored (sold) |
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