2003 Pontiac Grand Prix RAIN LEAKING INTO PASSENGER SIDE FL

Tiny
DENISEMCGAUGHY
  • MEMBER
  • 2003 PONTIAC GRAND PRIX
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 75,000 MILES
IT LOOKS LIKE THE RAIN IS COMING IN FROM THE HEATER FAN. DO I HAVE TO TAKE THE INTERIOR COMPLETELY APART TO FIX THIS AND HOW DO I GO ABOUT FIXING IT MYSELF?
Monday, March 2nd, 2009 AT 12:00 PM

1 Reply

Tiny
TBEZANON
  • MEMBER
  • 1 POST
I too have a Pontiac GP 2003 that had a wet passenger floor.

After a lot of searching online and talking to a dealership, I found the solution. I have not had any water problems since.

GM Has a water deflector that replaces the rubber guard that has likely fallen off. This is a picture of the part that has likely fallen off: (see picture 1)

This is the part you will replace it with: (see picture 2)

The GM Part Number is 15794785. I purchased it for about $9 from a GM dealer. Installed it myself following instructions from this site:

GM realeased a TSB (service bulletin)
TSB # 030857006

When you give the name just mention the TSB # 030857006
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Monday, March 2nd, 2009 AT 4:50 PM

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