Seville V8-273 4.5L (1989)
Wheels: Customer Interest
Wheels - Air Leak, Cast Aluminum Wheel Porosity
Bulletin No.:
T-89-65
File in Group:
3E
Number:
29 Corp. Ref. No.: 783505R
Date:
Jan. 1989
SUBJECT:
CAST ALUMINUM WHEEL POROSITY REPAIR PROCEDURE
MODELS AFFECTED:
1982-1988 CIMARRONS 1985-1989 DE VILLES AND FLEETWOODS 1986-1989 ELDORADOS AND SEVILLES
1987-1989 ALLANTES
Some vehicles with cast aluminum wheels may experience a condition of a slow leak. This may be caused by a porous wheel.
To repair this condition use the following procedure:
1.
Remove wheel and tire assembly from car.
2.
Locate leaking areas by inflating tire to 40 psi and dipping wheel/tire assembly into water bath.
3.
Mark leak areas and dismount tire from wheel.
4.
Scuff inside rim surface at leak area with #80 grit paper, and clean area with general purpose cleaner 3M08984 or equivalent.
5.
Apply 1/8" thick layer of Dow Corning Silastic 732 RTV, P/N 1052366 or equivalent, to leak area and allow six hours to dry.
6.
Mount tire on wheel, pressurize to 40 psi, and check for leaks.
NOTICE:
Caution must be used when mounting the tire so as not to damage the tire or sealer.
7.
Adjust tire pressure to meet specifications.
8.
Balance wheel and tire assembly using nylon coated wheel weights.
9.
Water test wheel/tire again.
10.
Reinstall wheel/tire assembly on car.
For warranty purposes use Labor Operation T3032 at .6 hour.
