pitman/idler arm failure on gm full size trucks · 2003-2013 chevrolet express 2500, 3500, gmc...
TRANSCRIPT
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Art 804-1
SOLUTION:PROBLEM:
studfracture
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B U L L E T I N : 2 1 4 0 0 1
Moog® Problem Solver® Heavy Duty Pitman & Idler Arms
Pitman or idler arm stud breaks on vehicles with modified tires and/or suspension
When the suspension is lifted, and/or larger aftermarket tires are used on the affected vehicles, the steering geometry changes and puts excessive stress on the pitman and/or idler arm. This stress causes excessive stud deflection (movement) and may cause stud fracture, which then results in steering loss.
MOOG® Problem Solver® Heavy Duty Pitman and Idler Arms, noted by an “HD” suffix, feature key enhancements:
• Innovative double-taper socket design provides better resistanceto stud deflection
• Full induction-hardened stud for maximum strength
• MOOG gusher bearing technology for superior durability
• Unique Belleville washer and telescopic spacerdesign provides a secure assembly
• Greaseable for longer life and smoother operation
• Enhanced e-coating for superior rust resistance
PItMAn/IDler ArM FAIlure on gM
Full SIze truckS
FORGED HOusinG
GREAsE FiTTinG
METAL GusHER BEARinG TECHnOLOGY
FuLL inDuCTiOn-HARDEnED
sTuD
BELLEviLLE wAsHER / TELEsCOPiC sPACER
innOvATivE sOCKET DEsiGn
Description Years Make/Model P/N
Idler Arm
1999-2007 Chevrolet Silverado 1500, GMC Sierra 1500
K6534HD2003-2013 Chevrolet Express 2500, 3500, GMC Savana 2500, 3500
2009-2011 Chevrolet Express 4500, GMC Savana 4500
Idler Arm
2000-2011 Chevrolet Suburban 2500, GMC Yukon XL 2500
K6535HD2001-2007 Chevrolet Silverado 1500 HD, 3500,
GMC Sierra 1500 HD, 3500 2001-2010 Chevrolet Silverado 2500 HD, GMC Sierra 2500 HD 2003-2009 Hummer H2 2007-2010 Chevrolet Silverado 3500 HD, GMC Sierra 3500 HD
Pitman Arm
1999-2007 Chevrolet Silverado 1500, GMC Sierra 1500
K6536HD
2000-2011 Chevrolet Suburban 2500 2001-2007 Chevrolet Silverado 2500 HD2001-2010 GMC Sierra 2500 HD 2003-2007 Hummer H2 2003-2008 Chevrolet Express 2500, 3500, GMC Savana 2500, 3500
Pitman Arm
2001-2007 Chevrolet Silverado 1500, 1500 HD, 3500, GMC Sierra 1500 HD, 3500
K6654HD
2001-2010 Chevrolet Silverado 2500 HD, GMC Sierra 2500 HD
2001-2011 Chevrolet Suburban 2500, GMC Yukon XL 2500
2003-2009 Hummer H2
2003-2013 Chevrolet Express 2500, 3500, GMC Savana 2500, 3500
2007-2010 Chevrolet Silverado 3500 HD, GMC Sierra 3500 HD
2009-2011 Chevrolet Express 4500, GMC Savana 4500
BROKEn sTuD
K6535HD iDLER ARM
PiTMAn ARM
iDLER ARM
wORn
EXCEssivE DEFLECTiOn
(See www.fMe-cat.com for additional applications.)
Before installing new components, inspect centerlink tapered holes to be sure they are not worn (fretted) or out-of-round. Replace centerlink as required.