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TechWriter's avatar
TechWriter
Explorer
Oct 31, 2015

If the Serpentine Belt Breaks, What Exactly Happens?

Took my DP in for its annual service visit and had to have my Cummins serpentine belt replaced because it was cracked. Which got me to wondering . . . what exactly would happen if the belt broke wh...
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wolfe10's avatar
wolfe10
Explorer
Nov 01, 2015
The answer is totally depends on the engine and what the chassis maker drives off the serpentine belt.

Our first two DP's had a separate belt driving only the water pump. Serpentine belt ran the alternator and A/C compressor.

Our current coach's serpentine belt drives water pump and alternator, with a separate belt for A/C compressor.

Please check YOUR owners manual for the information on YOUR coach.

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