We own a 1995 Pontiac Transport. Today we found a cap on the driveway where we park the vehicle. It's about the size of a bottle cap, and has the initials ZU on it. It has an oily residue on the inside of the cap. The cap does not have threads. It was found on the ground near the front/middle of the engine compartmen. Does anyone know where this could be from?

Asked by motherroad100 Dec 01, 2013 at 05:42 PM about the 1995 Pontiac Trans Sport 3 Dr SE Passenger Van

Question type: Maintenance & Repair

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