Buick Regal: Aluminum Wheel Porosity Repair

1. Remove The Tire And Wheel.

2. Inflate The Tire To The Pressure Stated On The Tire Placard.

3. Submerge The Tire/Wheel Into A Water Bath In Order To Locate The Leak.

4. Using A Grease Pencil, Mark The Wheel To Indicate The Leak Areas.

5. Using A Grease Pencil, Mark The Tire At The Valve Stem To Indicate The Orientation Of The Tire To The Wheel.

6. Remove The Tire From The Wheel.

NOTE: Repairs Are To Only Be Performed On The Interior Surfaces Of The Wheel.

7. Use Number 80 Grit Sandpaper To Scuff The Inside Of The Rim Surface At The Leak Area.

8. Use Tire Prep To Clean The Leak Area.

9. Apply 3 Mm (0.12 In) Thick Layer Of Adhesive/Sealant To The Leak Area.

10. Allow For The Adhesive/Sealant To Dry.

11. Align The Inscribed Mark On The Tire With The Valve Stem On The Wheel.

12. Install The Tire To The Wheel.

13. Inflate The Tire To The Pressure Stated On The Tire Placard.

14. Submerge The Tire/Wheel Into A Water Bath In Order Ensure The Leak Is Sealed.

15. Balance The Tire And Wheel.

16. Install The Tire And Wheel.

17. Lower The Vehicle.

TIRE AND WHEEL REMOVAL AND INSTALLATION

Special Tools

• Ch-41013 Rotor Resurfacing Kit
• Ch-42450-A Wheel Hub Resurfacing Kit

Equivalent Regional Tools:special Tools

Removal Procedure

1. Raise And Support The Vehicle.

2.

Wheel Nut(1) - Remove[5X].

3. Tire And Wheel Assembly(2) - Remove.

WARNING: If Penetrating Oil Gets On The Vertical Surfaces Between The Wheel And The Rotor Or Drum It Could Cause The Wheel To Work Loose As The Vehicle Is Driven, Resulting In Loss Of Control And An Injury Accident.

CAUTION: Removing The Wheel May Be Difficult Because Of Foreign Materials Or A Tight Fit Between The Wheel And The Hub/Rotor. Slightly Tap The Tire Side Wall With A Rubber Mallet In Order To Remove The Wheel.

Failure To Follow These Instructions May Result In Damage To The Wheel.

CAUTION: Never Use Heat To Loosen A Tight Wheel Bolt Or Nut. This Can Shorten The Life Of Wheel And Damage Wheel Bearings.

4. If The Tire And Wheel Assembly Is Difficult To Remove Or Cannot Be Removed, Perform The Following Steps:

1. All Four Tire And Wheel Assemblies Must Be On The Vehicle And Properly Torqued Prior To Performing The Following Steps To The Affected Tire And Wheel Assembly Only.
2. Loosen The Wheel Nuts Of The Affected Wheel 2 Complete Turns.
3. Lower The Vehicle.
4. Rock The Vehicle From Side To Side.
5. Repeat The Procedure If Necessary.
6. When The Tire And Wheel Assembly Loosens, Raise And Support The Vehicle.
7. Remove The Wheel Nuts.
8. Remove The Tire And Wheel Assembly.

5.

Wheel Trim Cap(1) - Remove.

Installation Procedure

WARNING: Before Installing The Wheels, Remove Any Buildup Of Corrosion On The Wheel Mounting Surface And Brake Drum Or Disc Mounting Surface. Installing Wheels With Poor Metal-To-Metal Contact At The Mounting Surfaces Can Cause Wheel Nuts To Loosen. This Can Cause A Wheel To Come Off When The Vehicle Is Moving, Causing Loss Of Control And Possibly Personal Injury.

NOTE: Do Not Use Power Grinding Tools To Clean The Brake Rotor To Wheel Mating Surfaces.

1. Using A Wire Brush Or Wire Wheel, Clean The Wheel To Brake Rotor Mating Surface.

2. Using The Ch-41013 Rotor Resurfacing Kit, Clean The Rotor To Wheel Contact Area.

3. Using The Ch-42450-A Wheel Hub Resurfacing Kit, Clean The Surfaces Around The Wheel Studs.

4. Clean The Threads Of The Wheel Studs.

5. If The Threads Of The Wheel Studs Are Damaged, Replace The Wheel Studs As Necessary.

• For The Front Wheel Hub, Refer To Wheel Stud Replacement.
• For The Rear Wheel Hub, Refer To Wheel Stud Replacement.

6. After Cleaning All Of The Wheel And Brake Rotor Contact Areas, Use Brake Cleaner Or Denatured Alcohol To Remove Any Dirt And Debris From The Wheel Nuts And The Brake Rotor.

7. Inspect And Clean The Contact Areas Of The Wheel.

8.

Apply A Small Amount Of Lubricant To The Inner Diameter Of The Wheel Hub Pilot Hole (1) Where It Contacts The Wheel Hub Flange.

9.

Wheel Trim Cap(1) - Install.

10.

Tire And Wheel Assembly(2) - Install.

WARNING: Never Grease Or Lubricate Wheel Nuts, Studs And Mounting Surfaces.

Tightening The Lubricated Parts Can Cause Damage To The Wheel Studs. This Can Cause A Wheel To Come Off When The Vehicle Is Moving, Causing Loss Of Control And Possibly Personal Injury.

11. Wheel Nut(1) - Install And Hand Tighten[5X].

12.

CAUTION: Improperly Tightened Wheel Bolts Or Nuts Can Lead To Brake Pulsation And Rotor Damage. In Order To Avoid Expensive Brake Repairs, Evenly Tighten The Wheel Bolts Or Nuts To The Proper Torque Specification. CAUTION: Refer To Fastener Caution.

Using A Torque Wrench And The Appropriate Socket, Evenly Tighten The Wheel Nuts (1) In A Crisscross Pattern As Shown To 140 N.M (103 Lb Ft).

13. Remove The Support And Lower The Vehicle.

READ NEXT: