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December 1, 1999 Service bulletin

Vehicles equipped with wabco air compressor manufactured between march 1, 1999 and july 2, 1999 have...

Freightliner technical service bulletin SF191A for 1999 Freightliner XC.

Bulletin number
SF191A
Component
Suspension: rear: springs: air suspension system
Summary
Vehicles equipped with wabco air compressor manufactured between march 1, 1999 and july 2, 1999 have experience air exhausting to the atmosphere instead of going into the air tanks when the relief valve opens. The modification consists of installing a pressure relife valve of 175 psi. Tt

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