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When i dayli drive, power steering fully function, i can drive werry fast. But, when i go to for track day. After a few laps, i losen the power, are some has a idé.
My guess is you are running a higher rpm between the two scenarios. You might check your belt for slipping. I believe the power steering pulley is a smooth pulley vs ribbed, so check the smooth side of the belt for being glazed over vs supple with more grip. You can also take some rough grit sandpaper like a 60 or 80 grit and rough up the surface of the pulley if it is overly smooth.
Check your belt tensioner, when the spring gets weak it won't have enough force to keep the belt tensioned properly under high load, or the belt could be the wrong length by 1/2" and cause the tensioner to be outside it's workable range
My guess is you are running a higher rpm between the two scenarios. You might check your belt for slipping. I believe the power steering pulley is a smooth pulley vs ribbed, so check the smooth side of the belt for being glazed over vs supple with more grip. You can also take some rough grit sandpaper like a 60 or 80 grit and rough up the surface of the pulley if it is overly smooth.
Check your belt tensioner, when the spring gets weak it won't have enough force to keep the belt tensioned properly under high load, or the belt could be the wrong length by 1/2" and cause the tensioner to be outside it's workable range
hi, thanks for you answer. Its a 89. There is a new pump, new belt, but i can drive in high rpm for meny our . I will rough the wheel.