C 2500 Truck 2WD V8-350 5.7L (1988)
pad, P/N 5530, to prevent leaving finger marks in the clearcoat. NOTE:
Always sand the length of the panel and use a mild dish soap detergent in the wet sand operation for sandpaper lubricant.
3.
Wheel compound sanded panel with 3M Finesse it II, P/N 5928, polishing compound and 3M Super Buff Polishing Pad, P/N 5705 or equivalent.
4.
Swirl marks, left in the clearcoat, can be removed by rebuffing the affected area with a non-directional, dual action (D.A.) orbital sander. A clean
terry cloth polishing bonnet and 3M Finesse II compound should be used.
CAUTION: Buffing wheels are not recommended for routine new car pre-delivery preparation of basecoat/ clearcoat finishes.
We believe this source and their equipment to be reliable. There may be additional manufacturers of such equipment. General Motors does not endorse,
indicate any preference for or assume any responsibility for the products or equipment from these firms or for any such items which may be available
from other sources.
Technical Service Bulletin # 89T0710
Date: 881201
Paint - Star-Break Cracking of Sportside Rear Fender
GMC NUMBER:
89-T-07
GROUP:
10 Body Section
DATE:
December, 1988
CORPORATE
NUMBER:
861004
SUBJECT:
"STAR-BREAK" TYPE CRACKING OF SPORTSIDE REAR FENDER PAINT
MODELS:
1988-89 C/K TRUCKS
Some 1988-89 C/K Sportside trucks have experienced star-break type cracking of the rear fender paint due to the impact of stones thrown from the tires.
To address this condition, a water borne inner fender impact protectant spray (P/N 9984226PS) and a Kent-Moore spray gun (J38337) are now available.
Perform the following service procedure when applying the water borne inner fender impact protectant to vehicles that exhibit this cracking paint
condition on rear sportside fenders:
