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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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SDcampowneroper's avatar
SDcampowneroper
Explorer
Nov 01, 2015
Gonzo42 wrote:
Several things. Most likely the water pump will not pump, making the engine overheat. Also the alternator will not charge the batteries. The A/C will not function.

Might carry a spare.
Keep the old one for a spare, coiled in the engine compartment. Mine is around the brake master cylinder. Carry the wrench size needed to work the idler (tension ) pulley.

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