TSB Document:

• Sorry, the NHTSA has not posted this TSB document yet.

You can still get the detailed info from GMC for this TSB. Call your local GMC dealer's service department & ask for a copy of TSB# PIP-4850.

Affected Component: ENGINE AND ENGINE COOLING:ENGINE:DIESEL

Summary

GM: THERE MAY BE A NO START, HARD START, OR EXTENDED CRANK WHICH MAY BE CAUSED BY A FILTER MINDER VACUUM SWITCH. *RM

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