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Old 10-12-2019, 04:24 PM
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wrangie's Avatar
Join Date: Jan 2017
Posts: 97
In the process of swapping the WK 3.0 crd engine to my JK i have some issues with the steering pump as a pressure line mount is to close to the chassis.Click image for larger version

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I also noticed that the pump is bigger than the old one but have a smaller pulley 98 mm vs 140mmClick image for larger version

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i have a Ram assist and ocassionally i get lags in parking spots at idle-low rpms so it will be great if i can get a little more power, i know that the previous engine have a different number and size of pulleys compared to this one but can t figure it what is the best option.

The JK Bosh pump is marked 103bar, the WK pump is marked just TOYODA H59 (i read on a vendor part diagram that is making 106bar)

Another option is the ZF steering pump used on Mercedes Benz 3.0 applications wich is rated 128 bar and have a 120mm pulley.

Any suggestion welcomed

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