|Sprinter 2004-2006 ONLY (NOT for 2002-2003 engines)
The serpentine belt is slightly shorter on 2004-2006 engines.
Complete kit, comprised of all original
equipment replacement parts, Conti-Tech belt, Litens tensioner and INA
pulleys. All parts are the exact same units sold by a Sprinter franchise dealer.
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Please note that there are two options when installing a belt with
this unit. You can use either a 12 point 17 mm box wrench/socket or a
T-60 Torx head when installing the serpentine belt.
you have had premature failures of this tensioner or the serpentine
belt has broken or been thrown, you most likely have a failed alternator
pulley. The alternator pulley is a declutching pulley and has a
one-way clutch mechanism to minimize belt flutter. Belt flutter places
stress on the entire belt drive system and the tensioner acts as a
spring-loaded shock absorber. If the declutching pulley has seized, it
will greatly shorten the life of the belt tensioner and often causes the
pulley to break off or a fracture of the pulley arm. Replace the alternator pulley or the alternator to solve this problem.
Video demonstration of why the declutching pulley is a critical component: http://www.youtube.com/watch?v=4EXYP1CmL9Q&feature=relate Here is a second video: http://www.gatesprograms.com/adp