Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSCHEVROLET2003TRAILBLAZER 4.2 S, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 909 (POWER STEERING SYSTEM)REPAIR INSTRUCTIONSPOWER STEERING COOLER REPLACEMENT (4.3L)REMOVAL PROCEDURE

2003 Chevrolet TrailBlazer 4.2 S, 4WD

Removal Procedure

2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Removal Procedure

WARNING: This page is about a different car, the 2003 GMC Sonoma, 2003 GMC Jimmy, 2003 Chevrolet S10 Pickup, and 2003 Chevrolet Blazer. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Refer to POWER STEERING HOSE DISCONNECTED NOTICE in Cautions and Notices.

Remove the air cleaner assembly. Refer to AIR CLEANER ASSEMBLY REPLACEMENT in Engine Controls 4.3L.
Install a drain pan under the vehicle.
Disconnect the power steering cooler hoses from the power steering cooler.
Remove the Grille. Refer to GRILLE REPLACEMENT (GMC) or GRILLE REPLACEMENT (CHEVROLET) in Exterior Trim.

Fig 1: Disconnecting Power Steering Cooler Hoses From Power Steering Cooler (4.3L)
Courtesy of GENERAL MOTORS CORP.
Remove the radiator air intake baffle retaining clips from LH side.
Position the radiator air intake baffle out of the way.

Fig 2: Removing Radiator Air Intake Baffle Retaining Clips From LH Side
Courtesy of GENERAL MOTORS CORP.
Remove the hood latch support mounting bolts.
Move the hood latch support forward.

Fig 3: Hood Latch Support Mounting Bolts
Courtesy of GENERAL MOTORS CORP.
Remove the power steering cooler retaining bolts.

Fig 4: Power Steering Cooler Retaining Bolts
Courtesy of GENERAL MOTORS CORP.
Remove the power steering cooler from the radiator support.

Fig 5: Removing Power Steering Cooler From Radiator Support

Courtesy of GENERAL MOTORS CORP.

RENDER: 1.0x

NO RELATED

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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.