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November 10, 2011 Service bulletin

Peterbilt: information regarding gap and proper torque allowed on DEF tank straps

Peterbilt technical service bulletin SB-10-11 for 2011-2012 Peterbilt 389, 2011-2012 Peterbilt 388 and 2011-2012 Peterbilt 386 and others.

Bulletin number
SB-10-11
Component
Fuel system, other: storage: tank assembly: mounting
Summary
Peterbilt: information regarding gap and proper torque allowed on def tank straps. Tank straps have a spring to ensure they remain tight during expansion and contraction of def tank. Straps may look loose but actually are not unless gap is greater than 1/2 inch between washer and strap.

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