Hi, I want 2 know what the intake manifold bolt torque is on a 2006 chrysler pacifica, with a 3.5 liter engine. If anybody knows, Please tell me. My boyfriend wants 2 do this really soon. Thanks.

 

Hi Car Chick,

The torque is 250 in. lbs. per the service manual.

 

Hello Car Chick,

Below are the installation instructions for both Upper & Lower Intake Manifold:

LOWER INTAKE MANIFOLD INSTALLATION
1. Clean all sealing surfaces.
2. Position new gaskets and intake manifold on cylinder head surfaces.
3. Install intake manifold bolts and gradually tighten in proper sequence until a torque of 28 N·m (250 in. lbs.) is obtained.
4. Install fuel rail and injectors as an assembly.
5. Connect fuel supply hose to fuel rail.
6. Connect heater hose to intake manifold.
7. Connect coolant container to thermostat housing.
8. Install the exhaust cross over retaining bolt to the intake manifold.
9. Connect electrical connectors to fuel injectors and coolant temperature sensor.
10. Install power steering fluid reservoir and bracket.
11. Install upper intake manifold.
12. Connect the upper radiator hose to the thermostat housing.
13. Fill the cooling system

UPPER INTAKE MANIFOLD INSTALLATION

1. Clean and inspect gasket sealing surfaces.
2. Position new gasket.
3. Install the throttle body on the upper intake (if required)
4. Install upper intake manifold and hand start all attaching bolts.
5. Tighten bolts gradually starting in the center working outward until a torque of 12 N·m (105 in. lbs.) is obtained.
6. Install the front and rear intake manifold support brackets.
7. Install the oil level indicater and oil fill tube to intake manifold bolts .
8. Install the EGR tube
9. Connect vacuum lines to the following :
Positive Crankcase Ventilation (PCV) Valve
EVAP Purge Solenoid
Power Brake Booster

10. Install alternator support bracket .
11. Connect electrical connectors to the following :
Manifold Tuning Valve (MTV)
Exhaust Gas Recirculation (EGR)
Throttle Position Sensor (TPS)
Idle Air Control (IAC)
Manifold Absolute Pressure (MAP)

12. Install the throttle and speed control cable bracket and retaining bolts.
13. Install throttle and speed control cables to bracket and throttle arm
14. Install air cleaner housing and inlet hose.
15. Install the engine cover.
16. Connect negative battery cable.

Hope this is helpful.

 

21 ft lbs. Recheck them 2 or 3 times. What happened, did one of the intake gaskets slide down?

 

Thanks that was helpful.

 

Your very welcome,

Has the vehicle been repaired and operating properly?