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Ignition System - Service Information: Removal & Installation Dodge Durango III

Ignition System 12 illustrations ~762 words

INSTALLATION

  1. Install the ignition capacitor (2) and bolt (3). Tighten the bolt to 10 N.m (89 in. lbs.).
  2. Connect the ignition capacitor electrical connector (1).
  3. Install the cowl extension silencer (1). Refer to «SILENCER, COWL EXTENSION, INSTALLATION»(ref-465921-S21852433032012042300000) .
  4. Connect the negative battery cable and tighten nut to 5 N.m (45 in. lbs.).

Scheme 1

Scheme 1: 3.6L
Scheme 1: 3.6L

Scheme 2

Scheme 2
Scheme 2

Scheme 3

Scheme 3
Scheme 3
  1. Disconnect and isolate the negative battery cable.
  2. If removing the ignition coils from cylinders 1 and 3 on the RH side of the engine, first remove the air inlet hose (3). Refer to «MANIFOLD, INTAKE, REMOVAL»(ref-465933-S24442072442012042300000) or «MANIFOLD, INTAKE, REMOVAL, 5.7L»(ref-465934-S15296552422012042300000) .
  3. If removing the ignition coils from cylinders 2, 4 or 6 on the LH side of the engine, first remove the air inlet hose, upper intake manifold (2) and insulator. Refer to «MANIFOLD, INTAKE, REMOVAL»(ref-465933-S24442072442012042300000) or «MANIFOLD, INTAKE, REMOVAL, 5.7L»(ref-465934-S15296552422012042300000) . NOTE: The LH ignition coils are shown in illustration, the RH ignition coils are similar.
  4. Unlock and disconnect the electrical connector (1) from the ignition coil.
  5. Remove the ignition coil mounting bolt (3).
  6. Pull the ignition coil (2) from cylinder head cover opening with a slight twisting action.

Scheme 4

Scheme 4: 5.7L
Scheme 4: 5.7L

Scheme 5

Scheme 5
Scheme 5
  1. Disconnect the electrical connector (1) from the coil (3).
  2. Clean the area at the base of the coil with compressed air before removal. NOTE: The ignition coil mounting bolts are retained in the ignition coil.
  3. Remove the two ignition coil mounting bolts (2).
  4. Carefully pull up the ignition coil (1) from the valve cover.
  5. Remove ignition coil (1) from vehicle.

Scheme 6

Scheme 6: 3.6L
Scheme 6: 3.6L

Scheme 7

Scheme 7
Scheme 7

Scheme 8

Scheme 8
Scheme 8
  1. Using compressed air, blow out any dirt or contaminants from around the top of spark plug.
  2. Check the condition of the ignition coil rubber boot (1). Inspect the opening of the boot (2) for any debris, tears or rips. Carefully remove any debris with a lint free cloth. CAUTION: Do not apply a silicone based grease such as Mopar® Dielectric Grease to the ignition coil rubber boot. The silicone based grease will absorb into the boot causing it to stick and tear.
  3. Place a small, 360° bead of Fluostar 2LF lubricant (1) along the inside opening of the coil boot approximately 1 to 2 mm from the chamfer edge but not on the chamfered surface. NOTE: The LH ignition coils are shown in illustration, the RH ignition coils are similar.
  4. Position the ignition coil (2) into the cylinder head cover opening. Using a twisting action, push the ignition coil onto the spark plug.
  5. Install the ignition coil mounting bolt (3) and tighten to 8 N.m (71 in.lbs).
  6. Connect and lock the electrical connector (1) to the ignition coil (2).
  7. If removed, install the insulator, upper intake manifold (1) and air inlet hose. Refer to «MANIFOLD, INTAKE, INSTALLATION»(ref-465933-S35388430622012042300000) or «MANIFOLD, INTAKE, INSTALLATION, 5.7L»(ref-465934-S40332744012012042300000) .
  8. Connect the negative battery cable and tighten nut to 5 N.m (45 in. lbs.).

REMOVAL

The ASD relay is located in the engine compartment within the Power Distribution Center (PDC). Refer to label on power distribution center cover for relay location.

  1. Remove power distribution center cover.
  2. Remove relay from power distribution center.
  3. Check condition of relay terminals and power distribution center connector terminals for damage or corrosion. Repair if necessary before installing relay.
  4. Check for pin height (pin height should be the same for all terminals within the power distribution center connector). Repair if necessary before installing relay.

The ASD relay is located in the Power Distribution Center (PDC). Refer to label on power distribution center cover for relay location.

  1. Install relay to power distribution center.
  2. Install cover to power distribution center.

Scheme 9

Scheme 9: 3.6L
Scheme 9: 3.6L

The two Camshaft Position (CMP) sensors are located at the rear of the cylinder head covers. The sensors are bolted to the cylinder head and utilize a radial lip seal where they protrude through the covers. The attaching bolt (2) has an O-ring seal and is captured in the sensor.

Scheme 10

Scheme 10
Scheme 10
CAUTIONThe magnetic timing wheels must not come in contact with magnets (pickup tools, trays, etc.) or any other strong magnetic field. This will destroy the timing wheels ability to correctly relay camshaft position to the camshaft position sensor.

The Camshaft Position Sensors (CMP) sensors (1) are dual read, single element hall effect sensors mounted between the magnetic encoded timing wheels (2). The magnetic timing wheels are used because of their small diameter allowing for a compact cylinder head design.

Scheme 11

Scheme 11: 5.7L
Scheme 11: 5.7L

The Camshaft Position Sensor (CMP) (1) is located in the timing cover near the thermostat housing.

Scheme 12

Scheme 12: 3.6L
Scheme 12: 3.6L
CAUTIONThe magnetic timing wheels must not come in contact with magnets (pickup tools, trays, etc.) or any other strong magnetic field. This will destroy the timing wheels ability to correctly relay camshaft position to the camshaft position sensor.

The 3.6 liter engine uses a Dual Over Head Camshaft (DOHC) configuration. The camshafts are a nodular cast iron design and have two pressed on magnetic timing wheels (1) that are magnetically encoded.

The Camshaft Position Sensors (CMP) are mounted between the timing wheels (1).

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