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 MANUALSGMC1999FORWARD CONTROL 5.7 R, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 497 (POWER STEERING SYSTEM)REPAIR INSTRUCTIONSPOWER STEERING COOLER PIPE/HOSE REPLACEMENT (4.3L)INSTALLATION PROCEDURE

1999 GMC Forward Control 5.7 R, Automatic

Installation Procedure

1999 GMC Forward Control 5.7 R, AutomaticSECTION Installation 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 INSTALLING HOSES WITHOUT TWISTS OR BENDS NOTICE in Cautions and Notices.

Install the power steering cooler hose to the vehicle.
NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
Connect the power steering cooler hose to the power steering cooler.
Tighten

Tighten the power steering cooler hose to the power steering cooler clamp to 2 N.m (18 lb in).

Fig 1: Installing Power Steering Cooler Hose To Power Steering Cooler
Courtesy of GENERAL MOTORS CORP.
Connect the power steering cooler hose to the power steering pump.
Tighten

Tighten the power steering cooler hose to the power steering pump clamp to 2 N.m (18 lb in).
Remove the drain pan from under the vehicle.
Install the air cleaner assembly. Refer to AIR CLEANER ASSEMBLY REPLACEMENT in Engine Controls 4.3L.
Bleed the power steering system. Refer to BLEEDING THE POWER STEERING SYSTEM .

Fig 2: Tightening Power Steering Cooler Hose To Power Steering Pump Clamp

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.