STANDARD PROCEDURE
- STANDARD PROCEDURE - MANIFOLD STRIPPED THREAD REPAIR
- STANDARD PROCEDURE - INTAKE MANIFOLD VACUUM PORT REPAIR
STANDARD PROCEDURE - MANIFOLD STRIPPED THREAD REPAIR
The composite upper intake manifold thread bosses, if stripped out, can be repaired by utilizing a repair screw available through Mopar® parts. Repair screws are available for the following manifold attached components:
- MAP sensor
- Power steering reservoir
- EGR tube
- Throttle cable bracket
The repair screws require a unique tightening torque specification from the original screw. Refer to the following chart for specification.
| DESCRIPTION |
TORQUE* |
| STRIP-OUT REPAIR SCREWS ONLY |
|
| MAP Sensor Repair Screw |
4 N·m (35 in. lbs.) |
| Power Steering
Reservoir Repair Screw |
9 N·m (80 in. lbs.) |
| EGR Tube Attaching Repair Screw |
9 N·m (80 in. lbs.) |
| Throttle Cable Bracket Repair Screw |
9 N·m (80 in. lbs.) |
| *Install Slowly Using Hand Tools Only |
|
STANDARD PROCEDURE - INTAKE MANIFOLD VACUUM PORT REPAIR
NOTE: While performing this procedure, avoid getting the manifold material residue into the plenum chamber.
The composite intake manifold vacuum ports can be repaired. Although, if the manifold plenum chamber is damaged or cracked, the manifold must be replaced.
To repair a broken or damaged vacuum port on the composite intake manifold, perform the following procedure:
| PARTS REQUIRED | TOOLS REQUIRED |
| · Brass Port – 1/4" O.D. x 1/8" pipe thread (LDP/Speed Control Port) | · Pipe Tap – 1/8" - 18 NPT |
| · Drill Bit – 11/32" | |
| · File/Sandpaper | |
| · Brass Port – 1/2" O.D. x 1/4" pipe thread (Brake Booster Port) | · Pipe Tap – 1/4" - 18 NPT |
| · Drill Bit – 7/16" | |
| · File/Sandpaper |
1. File or sand the remaining port back until a flat surface is obtained (plane normal to port axis).
2. Drill out the port base using a 7/16” (brake booster port) or 11/32” (LDP/speed control port ) drill bit.
3. Using a 1/4”–18 NPT (brake booster port) or 1/8”–18 NPT (LDP/speed control port ) pipe tap, cut internal threads. Use caution to start tap in a axis same as original port.
4. Apply Mopar® Thread Sealant to threads of repair port (s).
5. Install repair port (s). Do not over torque repair port (s).