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Exhaust System: Specifications Dodge Durango III

Exhaust 4 illustrations ~250 words

SPECIFICATIONS

DESCRIPTIONN.mFt. Lbs.In. Lbs.
Front Exhaust to Manifold Nuts - 3.6L2317204
Front Exhaust to Manifold Nuts - 5.7L3224283
Muffler flange nuts4735416
Exhaust - band style clamps5541487
Exhaust - standard style clamps3022266
Left side resonator flange nuts - 5.77555664
Exhaust isolator bracket mounting bolts2821250
Exhaust isolator bracket mounting nuts11897

Scheme 1

Scheme 1: DESCRIPTION
Scheme 1: DESCRIPTION
WARNINGThe normal operating temperature of the exhaust system is very high. Therefore, never work around or attempt to service any part of the exhaust system until it is cooled. Special care should be taken when working near the catalytic converter. The temperature of the converter rises to a high level after a short period of engine operation time.
CAUTIONDo not remove spark plug wires from plugs or by any other means short out cylinders. Failure of the catalytic converter can occur due to a temperature increase caused by unburned fuel passing through the converter.

The front exhaust pipe/catalytic converter assembly (1) is a hydra-form thin wall air gap design. This design is used to reduce heat, noise and improve emissions. When replacement is required, use original equipment parts (or their equivalent).

The stainless steel catalytic converter body is designed to last the life of the vehicle. Excessive heat can result in bulging or other distortion, but excessive heat will not be the fault of the converter. If unburned fuel enters the converter, overheating may occur. If a converter is heat-damaged, correct the cause of the damage at the same time the converter is replaced. Also, inspect all other components of the exhaust system for heat damage.

Unleaded gasoline must be used to avoid contaminating the catalyst core.

Scheme 2

Scheme 2: 3.6L ENGINE
Scheme 2: 3.6L ENGINE
WARNINGIf torches are used when servicing the exhaust system, do not allow any flame near the fuel lines or the fuel tank. Failure to follow these instructions may result in possible serious or fatal injury.

Scheme 3

Scheme 3
Scheme 3

Scheme 4

Scheme 4
Scheme 4
  1. Disconnect negative battery cable.
  2. Remove the engine cover.
  3. Saturate the exhaust flange bolts with heat valve lubricant. Allow 5 minutes for penetration.
  4. Remove the upper catalytic flange bolts (1).
  5. Raise and support the vehicle.
  6. If equipped, remove skid plate. Refer to «PLATE, SKID, FRONT, REMOVAL»(ref-465925-S30284619522012042300000) or «PLATE, SKID, FRONT SUSPENSION, REMOVAL»(ref-465925-S37911096052012042300000) or «PLATE, SKID, FUEL TANK, REMOVAL»(ref-465925-S28353303122012042300000) or «PLATE, SKID, TRANSMISSION, REMOVAL»(ref-465925-S36372325342012042300000) or «PLATE, SKID, TRANSFER CASE, REMOVAL»(ref-465925-S36231615982012042300000) .
  7. Remove the lower catalytic flange bolts (4).
  8. Remove transmission crossmember reinforcement brackets (1, 4).
  9. Disconnect oxygen sensor (2) electrical connectors.
  10. Remove the nuts from the front exhaust pipe/catalytic converter assembly to the muffler flange (2).
  11. Remove the front exhaust pipe/catalytic converter assembly (1) from the vehicle.

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