That's because ABS system makes such valve redundant.....Originally Posted by Brad_GU9
Hi Guys, Neither GU8 or GU9 have/had a brake proportioning valve located above the rear diff so nothing to relocate.....
The issue in here is that GU9 has what a law has been calling for: ESP/ESC in another words stability control enhanced package part of TSC and ABS. This shyte my friends started when State of Victoria has unilateraly declared ESP compulsory on all new cars onwards from certain date (2011) with light commercials been given extension until 2013. Welcome to the nanny state!
I'm not sure how it is implemented in Patrols but similar systems in heavy vehicles have ability/option to re-calibrate yaw rate sensor/s and various parts of the ESP subsystem e.g. steering wheel position sensor.
So take it back/ask to Nissan to recalibrate the sensor for new suspesion height maybe it can be done.
There is always an option to wire a switch into to system to power the whole ABS/ESP/VDC (whatever they call that shyte these days) down by interrupting the power supplies to those control units. I'd personally make a "fake" diff lock/4WD Lo switch OFF scenario so these systems can be turned off at will irrespective if diff lock or low range is used.
Cheers
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