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Power Steer/water Pump Alignment Issues.

GTR1993

By GTR1993,
in RB30 conversions

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GTR1993 Mentor

GTR1993

Posted
Posted

I was dummy fitting my brackets up to my 30 block as I want to order an ati balancer to drive my dry sump pump. I stripped the RB30 down, i have a spare RB26 balancer on the crank off my r32. I installed a R32 RB20 det power steer pump with the lug on the bracket machined off to suit the rb30 and the power steer pulley and the standard rb30 water pump (unsure if i need to change the pulley on the water pump) are about 5mm off alignment. The rb26 balancer needs to go closer towards the motor (i.e machine it rather then install a spacer) What am i missing? I have done a search as well.

post-29334-1254995221_thumb.jpg

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r33_racer Grand Master

r33_racer

Posted
Posted

Water should be good but power steering normally needs to come forward. try and move the pump within the factory bracket as far forward as possible and check alignment with a straight edge.

You really should be using the ati balancer to check it all on incase there is some difference again.

Try a different water pump. Maybe a new one from nissan.

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bubba Grand Master

bubba

Posted
Posted

We discovered witht he RB26 ATI balancer on our 30's, that the RB20 power steering pump doesn't line up, water pump is fine but I think I'm going to have to source a 26 pump/bracket and run with that.

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GT-RZ Community Regular

GT-RZ

Posted
Posted

the problem is the larger hicas powersteering pumps with the larger v band belt, they sit differently to the non hicas pumps (r33+ hicas was electric)

if your using the 32 hicas pump then you will need the matching bracket and a balancer to suit... if you have an r33+ pump then you can use either the RB30 bracket or machine the lug off the origional and it will fit.

basically r32 stuff is the odd one out. R31 R33 R34 all have the same bracket basically and same alignment.

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STATUS Grand Master

STATUS

Posted
Posted
You mean the pump bracket & pump forward?

I looked at doing that last time, but it doesnt look like there is much left to do that....if you recall how much did you slot it by?

the last on i did was cats car a few weeks back, the rear most hole i slotted it all the way (make install easier) and the others i slotted about 5mm and milled the flat for the bolt head) i will take a pic in a minute.

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Marko R1 Grand Master

Marko R1

Posted
Posted

i had the same problem on my rb26/30 in my r32gtr, in 2000km i snapped 2 p/s belts.

i will slot the p/s holes by 5mm as advised in this thread, i will then make sure they line up with a straight edge.

thanks URAS :blink:

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