Dodge Journey: Heater, engine block

Description

2.4L

Cooling
Fig. 70: BLOCK HEATER 2.4L ENGINE

  1. - RETAINING CLIP
  2. - BLOCK HEATER

CAUTION: The power cord must be secured in its retainer clips, and not positioned so it could contact linkages or exhaust manifolds and become damaged.

The block heater is operated by ordinary house current (110 Volt A.C.) through a power cord and connector located in the engine compartment. The heater is mounted in a bore in the engine block and held in place by a retaining clip.

2.7L

Cooling
Fig. 71: ENGINE BLOCK HEATER

  1. - BLOCK HEATER
  2. - ENGINE - RIGHT SIDE

The engine block heater is mounted in the cylinder block, near the right rear corner. The block heater is a dry cylinder type design and is powered by 110 volt AC. The power cord must be secured in its retainer clips, and not positioned so it could contact linkages or exhaust manifolds and become damaged.

Operation

When power is applied (110 volt A.C.) to the block heater, the heating element transfers heat through the aluminum engine block and into the coolant without directly penetrating the cooling system.

Diagnosis and Testing

ENGINE BLOCK HEATER TESTING

If unit does not operate, test power cord for continuity with a 110-volt voltmeter or 110-volt test light. Test heater element continuity with an ohmmeter or 12-volt test light.

Removal

2.4L

Cooling
Fig. 72: BLOCK HEATER 2.4L ENGINE

  1. - RETAINING CLIP
  2. - BLOCK HEATER

1. Detach power cord plug from block heater.

2. Unclip retainer clip. Remove block heater assembly.

2.7L

Cooling
Fig. 73: ENGINE BLOCK HEATER

  1. - BLOCK HEATER
  2. - ENGINE - RIGHT SIDE

1. Raise vehicle on hoist.

2. Detach power cord plug from heater.

3. Remove block heater attaching screw located below heater terminals.

4. Remove block heater from cylinder block.

3.5L

Cooling
Fig. 74: Engine Block Heater

  1. - BLOCK HEATER
  2. - ENGINE - RIGHT SIDE

1. Raise vehicle on hoist.

2. Detach power cord plug from heater.

3. Remove block heater attaching screw located below heater terminals.

4. Remove block heater from cylinder block.

Installation

2.4L

Cooling
Fig. 75: BLOCK HEATER 2.4L ENGINE

  1. - RETAINING CLIP
  2. - BLOCK HEATER

CAUTION: To prevent damage, the power cord must be secured in it's retaining clips, and not positioned so it could contact linkages or exhaust manifold.

1. Thoroughly clean block heater bore.

2. Insert block heater assembly. Make sure retaining clip engages on cylinder block.

3. Connect power cord to heater.

4. Lower vehicle.

2.7L

Cooling
Fig. 76: ENGINE BLOCK HEATER

  1. - BLOCK HEATER
  2. - ENGINE - RIGHT SIDE

1. Thoroughly clean cylinder block heater cavity.

2. Insert heater assembly into block such that mounting hole is located below heater terminals.

3. Install mounting screw and tighten to 12 N.m (105 in. lb.).

CAUTION: To prevent damage, the power cord must be secured in its retainer clips, and not positioned so it could contact linkages or exhaust manifolds.

4. Attach power cord to heater.

5. Lower vehicle.

3.5L

Cooling
Fig. 77: ENGINE BLOCK HEATER

  1. - BLOCK HEATER
  2. - ENGINE - RIGHT SIDE

1. Thoroughly clean cylinder block heater cavity.

2. Insert heater assembly into block such that mounting hole is located below heater terminals.

3. Install mounting screw and tighten to 12 N.m (105 in. lb.).

CAUTION: To prevent damage, the power cord must be secured in its retainer clips, and not positioned so it could contact linkages or exhaust manifolds.

4. Attach power cord to heater.

5. Lower vehicle.

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