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M103 serpentine belt question
I need to change the belt on my M103 190E 2.6. Fastlane lists the belt with a note:
'#55 90 344 (6PK-2415) is the latest updated version replacing #48 99 548 (6PK-2612). #55 90 344 is a shorter belt bypassing the top center Tension Pulley. The earlier version belt is OK to use until supplies have been depleted. This information is contained on Saab TSB # 210-2486' ???? I don't know what to make of this - will this belt, which supposedly is a shorter length, fit? As far as I can tell, one cannot 'bypass the tension pulley' on this engine, so the belt kinda needs to be the right length. I don't want to buy this part and have it not be correct. Can anyone clarify this for me? Thanks
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'02 BMW 325i '85 300D 450k '93 190E 2.6 170k(killed by tree) '08 Ducati Hypermotard 1100S 6k '06 Ducati S2R800 14k(sold) |
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Started searching here for opinions on the 6PK-2415 replacement - came across this thread.
Am currently changing out the belt tensioner and related parts on my M103 motor. This too made no sense whatsoever...."bypassing the top center tensioner pulley". Got a big surprise when I looked at the belt I had taken off the car. Conti Tech 6PK-2415 ????? None of my pulleys were bypassed - car is equipped with a/c. I remember reading years ago that there were 2 different belts - one for cars equipped with a/c - one for cars with no a/c. Suspect the latter belt was on european-only models. Maybe there are differences in the various M103 systems - but for whatever reason - the Conti Tech 6PK-2415 has worked fine on my a/c equipped M103 motor since 2003 - again no pulleys bypassed - factory belt routing diagram followed. The side-note you see at every MB WEB Parts site - 6PK-2415 replacing 6PK-2612 - mentions a SAAB bulletin. Perhaps a SAAB-only issue? ********************************************************** Update - decided to pull out my "Service Manual M103 Engine" manual - S-2421-103. Service task 13-342 - Checking condition of poly V-belt and renewing. Length of belt without refrigerant compressor - 2170 mm Length of belt with refrigerant compressor - 2255 mm
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Mike Murrell 1991 300-SEL - Model 126 M103 - SOHC "Fräulein" Last edited by Mike Murrell; 12-12-2010 at 02:23 PM. |
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