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View Poll Results: HICAS -
HICAS still being used and feel it improves the handling 154 24.44%
HICAS locked off and preffer handling now 167 26.51%
HICAS locked off and I miss it.. 7 1.11%
Considering locking the HICAS but neeed to know more 306 48.57%
Multiple Choice Poll. Voters: 630. You may not vote on this poll

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Old 13th December 2012, 08:11 AM   #381 (permalink)
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If the hoses are blocked off the pump is still trying to pump fluid with nowhere for it to go. At the least this will cause excess loads on the pump. I'm not sure where the relief valve is in the system but, even if it's in the pump, it will still add considerable amount of heat to a system that is prone to overheating when pushed.

These links show a couple of options...

R32 Hicas Removal - Skylines Australia

Skyline R32 Gts-t Hicas Removal (whiteline Kit) - Skylines Australia

R32: Removing Hicas (gts-t) - Skylines Australia

I have always thought that it was an excellent idea to plumb a small oil cooler in as part of the bypass loop. It also means the pump needs no modification.
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Old 13th December 2012, 01:26 PM   #382 (permalink)
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mmh i'll put some pics soon... i don't understand at 100% because the pics is confusionary.. :/
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Old 27th March 2013, 09:38 AM   #383 (permalink)
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I think hicas is a interesting system. So i keep my hicas...
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Old 27th March 2013, 10:34 AM   #384 (permalink)
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I think hicas is a interesting system. So i keep my hicas...

Obviously a man of sense, taste and intellegence !!!!
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Old 27th March 2013, 11:03 PM   #385 (permalink)
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Obviously a man of sense, taste and intellegence !!!!
Amusing..
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Old 27th March 2013, 11:30 PM   #386 (permalink)
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Well he has gone the way I have and the way Nissan designed the car with, so he has got to be a clever chap
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Old 28th March 2013, 12:07 AM   #387 (permalink)
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If you service the hicas right and repair damaged rubber mounts its a good system...
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Old 28th June 2013, 09:23 AM   #388 (permalink)
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My GT-R R32 feels jumpy on a standard tarmac, would a HICAS eliminate help with this? What I mean is I have a hard time driving straight as the car wants to steer left and right and it does this with very quick moves. Overall I would say the car is impossible to drive straight, except when concentrating fully and using 2 hands on the wheel. Using only one hand to drive in highway speeds seems like very very dangerous in this car

So should I try a HICAS lockout kit or would I already see improvement by taking out the HICAS solenoid permanently? Meaning that if the handling improves by taking out the solenoid and taking it for a test drive I could verify it's the HICAS causing this jumpy handling?
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Old 28th June 2013, 09:31 AM   #389 (permalink)
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I would say you need to perform some maintenance on your HICAS system. A regular system that is functioning properly will not do what you are describing.
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Old 30th July 2013, 08:21 AM   #390 (permalink)
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It seems the general consensus is its a superb addition and well worth retaining if you maintain it impeccably and you use the car for its intended purpose, going very quickly in all conditions.

If the system is worn and not working as Nissan intended, it is costly to repair, imprecise and people remove it.

Makes a lot of sense really - great thread and very useful.
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Old 15th August 2013, 09:33 PM   #391 (permalink)
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My HICAS is now working. I think In other words, how do I know it's active and doing something? Is there a speed limit where it engages? I think the car changes lanes pretty nimbly for such a large car but I do have very stiff springs so don't know whether I can thank the HICAS or the suspension.

So how do I know the HICAS is working?
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Old 19th August 2013, 07:18 PM   #392 (permalink)
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Today when the roads were slippery with rain and I did some "high"speed (+80 km/h) slides on the highway ramps the yellow HICAS light came on at the same time the rear end lost traction and I had to countersteer and control the throttle. Is this a sign that the HICAS is working or a sign that it's failing???
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Old 20th August 2013, 01:04 PM   #393 (permalink)
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Quote:
Originally Posted by johniemi View Post
Today when the roads were slippery with rain and I did some "high"speed (+80 km/h) slides on the highway ramps the yellow HICAS light came on at the same time the rear end lost traction and I had to countersteer and control the throttle. Is this a sign that the HICAS is working or a sign that it's failing???
As far as i'm aware if the light comes on there is normally an issue with it.
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Old 20th August 2013, 02:22 PM   #394 (permalink)
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Quote:
Originally Posted by johniemi View Post
My GT-R R32 feels jumpy on a standard tarmac, would a HICAS eliminate help with this? What I mean is I have a hard time driving straight as the car wants to steer left and right and it does this with very quick moves. Overall I would say the car is impossible to drive straight, except when concentrating fully and using 2 hands on the wheel. Using only one hand to drive in highway speeds seems like very very dangerous in this car

So should I try a HICAS lockout kit or would I already see improvement by taking out the HICAS solenoid permanently? Meaning that if the handling improves by taking out the solenoid and taking it for a test drive I could verify it's the HICAS causing this jumpy handling?
Mine started to do the same thing after I changed the old hard 225/50 16 tires with some fresh and new 255/35 18.

It's not like the car wants to turn constantly, it's more like it follows all the lines and imperfections of the road, especially under braking on bumpy roads.
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Old 21st August 2013, 06:28 AM   #395 (permalink)
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Mine started to do the same thing after I changed the old hard 225/50 16 tires with some fresh and new 255/35 18.

It's not like the car wants to turn constantly, it's more like it follows all the lines and imperfections of the road, especially under braking on bumpy roads.
Forgot my original question: my earlier Q about the twitchy performance and outright hazardous straight line high speed control was due to old worn japanese tires. Fitted a new set of 245's and the car drives like a charm.

Only thing now left is that the HICAS light sometimes blinks dimly when accelerating at least in wet conditions. It's dry today so will try a "few" fast accelerations in the dry too.
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