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HOMESERVICE MANUALSCHEVROLET1998SUBURBAN K2500, 7.4 J, PART TIMEREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 445 (ENGINE EXHAUST SYSTEM)REPAIR INSTRUCTIONSEXHAUST HANGER REPLACEMENTINSTALLATION PROCEDURE
1998 Chevrolet Suburban K2500, 7.4 J, Part Time

Installation Procedure

1998 Chevrolet Suburban K2500, 7.4 J, Part TimeSECTION Installation Procedure
WARNING: This page is about a different car, the 2002 GMC Savana Special, 2002 GMC Savana Camper Special, 2002 GMC Savana, and 2002 Chevrolet Chevy Express. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the exhaust hanger to the frame.
    CAUTION: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fastener requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.
  2. Install the exhaust hanger nut.

    Tighten 

    Tighten the exhaust hanger nut to 50 N.m (37 ft lbs).

    Fig 1: Installing Exhaust Hanger & Hanger Nut
    G01699410Courtesy of GENERAL MOTORS CORP.
  3. Install the exhaust pipe hanger pin in the exhaust hanger insulator.
    CAUTION: When inspecting or replacing exhaust system components, make sure there is adequate clearance from all points on the underbody to prevent overheating of the floor pan and possible damage to the passenger compartment insulation and trim materials.
  4. Verify the exhaust system for proper clearance and the alignment of all components.
  5. Lower the vehicle.
    Fig 2: Installing Exhaust Pipe Hanger Pin
    G01699411Courtesy of GENERAL MOTORS CORP.
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.