Dodge Nitro. Manual — part 685

6. Obtain a torque wrench. Tighten mounting bolts (as shown) in a mandatory torque criss-cross pattern

sequence to 7.5 N.m (65 in. lbs.).

Fig. 118: Identifying Throttle Body Flange, Mounting Bolts & Electrical Connector - 4.0L
Courtesy of CHRYSLER LLC

7. Install electrical connector (2).

8. Install necessary vacuum lines.

9. Install air cleaner duct to throttle body flange (3).

10. Connect negative battery cable to battery.

11. Using the diagnostic scan tool, erase all previous DTC's and perform the ETC Relearn function.

MANIFOLD TUNE VALVE

REMOVAL

REMOVAL - 4.0L

cause damage to the throttle body, throttle plate, gaskets, bolts
and/or the intake manifold. Proper torque of the mounting bolts is
critical to normal operation.

2007 Dodge Nitro R/T

2007 ENGINE Fuel System - Nitro

Fig. 119: SRV (Short Runner Valve) & MTV (Manifold Tuning Valve)
Courtesy of CHRYSLER LLC

The MTV (Manifold Tuning Valve) (2) is located on the left/front side of the intake manifold.

Fig. 120: Identifying Tang, Notch, Mounting Bolts, Electrical Connector & MTV Assembly
Courtesy of CHRYSLER LLC

1. Disconnect electrical connector (4).

2. Remove mounting bolts (3).

3. Carefully pull the MTV assembly (5) straight forward from the intake manifold.

2007 Dodge Nitro R/T

2007 ENGINE Fuel System - Nitro

Fig. 121: MTV Assembly
Courtesy of CHRYSLER LLC

4. Be sure the O-ring (1) is still in place on the MTV shaft. If not, refer to the following step.

Fig. 122: MTV O-Ring
Courtesy of CHRYSLER LLC

5. If O-ring is not on MTV shaft (from previous step), gently pry it (1) from intake manifold.

INSTALLATION

INSTALLATION - 4.0L

2007 Dodge Nitro R/T

2007 ENGINE Fuel System - Nitro

Fig. 123: MTV Assembly
Courtesy of CHRYSLER LLC

1. Be sure the O-ring (1) is still in place on the MTV shaft. If not, refer to the following step.

Fig. 124: MTV O-Ring
Courtesy of CHRYSLER LLC

2. If O-ring is not on MTV shaft (from previous step), gently pry it (1) from intake manifold.

2007 Dodge Nitro R/T

2007 ENGINE Fuel System - Nitro