Question about GMC Sierra 1500

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1999 GMC SIERRA 1500 4X4 5.3 ENGINE. THE STERRING IS VERY HARD TO TURN TO THE LEFT BUT IT TURNS TO THE RIGHT AS IT ALWAYS HAS. NOTHING WITH THE LINKAGE IS HITTING OR RUBBING ANYTHING AND THE FLUID IS FULL. I DON'T KNOW IF IT'S THE PUMP OR GEAR BOX. I THINK IT'S THE GEAR BOX BUT I'M NOT A CERTIFIED MECHANIC. THANKS

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  • WILLIAM BAKER Aug 21, 2010

    1999 GMC 1500 SIERRA 4X4 5.3LT ENGINE. THE STEERING IS VERY HARD TO TURN TO THE LEFT AND TURNING TO THE RIGHT IS AS EASY AS IT EVER WAS. FLUID IS FULL AND NONE OF THE STEERING LINKAGE IS RUBBING OR HITTING ANYTHING. I THINK IT IS THE GEAR BOX THAT CAUSING THE PROBLEM BUT I'M NOT A PROFESSIONAL MECHANIC.WHAT DO YOU THINK IT COULD BE? THANKS

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Your steering system is servoassisted. The servo effect is controlled by a pair of valves situated in the gearbox. In your case the valve controlling the left movement is not operational so when you turn left you don't have assistance and you have to generate the full force - this is why it's so hard.
Unfortunately inner parts for the gearbox aren't available to the general public, so you will gonna have to replace the entire gearbox. To save money buy a remanufactured one like
http://www.autopartsdeal.com/catalog/?N=1623+9925+4294963366+4294952323

Posted on Aug 21, 2010

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You are correct! it is the gear box,if it where the pump,it would do it turning right or left,if this was helpful,please rate thank you.

Posted on Aug 21, 2010

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