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23-05-2021, 09:53 AM | #31 | ||
mechanical novice hopeful
Join Date: Feb 2018
Location: Melbourne
Posts: 507
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Thanks for the input.
Yes. If there is no AU speed sensitive steering. Then it seems the problem with my Forte, is the rack is not getting the extra pressure it needs at idle/low speeds? So knowing nothing about how to fix that, I assume it has to be a fault in the valve, wiring, or ecu? And taking my own post ot...I too felt a difference with the B series being heavier. Test drove a BF wagon and it felt much heavier that the AU wagon I ended up buying. I also had a BF RTV ute and one of the reasons I sold it was because the steering felt much heavier. I've now bought a BA ute RTV running gear to do a conversion on the AU wagon and notice it's optional whether to change the steering rack or not...so maybe I should be leaving the AU rack in? |
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23-05-2021, 11:44 AM | #32 | ||
FF.Com.Au Hardcore
Join Date: Oct 2020
Posts: 670
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Id leave the AU rack if it were me if you like the AU feeling (i for one do), there is a post somewhere on this forum (i think) from a wrecker that had put BA engines in AU's and left the AU rack... the fittings/threads are the same, and ive checked that side of it myself. he said you can just bend the BA high pressure line by hand to get it to screw into the AU rack... seems you know about that anyway.
Where the lines go into the rack is just a bit different position on BA's, im assuming they rotated the BA rack threads a little to better clear the BA V8. (along with using banjo bolts on the BA V8 lines) If your forte rack has the pressure switch working right, you should be able to feel the engine rpm compensate for steering when stationary... compare it to the other cars you have. If that seems ok Id guess pump pressure is low, id probably try swap pump before considering the rack itself. And yeah when you jump in a BA for a quick spin or short drive you will feel the difference some... but on really long drives where you are doing hundreds if not thousands of steering inputs, like an interstate trek etc, well you feel it more, and I prefer an AU in such circumstances, it becomes apples and oranges the longer you drive. BA's have a different ratio to AU's also by the way, less turns lock to lock, so they tweaked that also. |
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23-05-2021, 11:50 AM | #33 | |||
FF.Com.Au Hardcore
Join Date: Apr 2012
Location: Adelaide
Posts: 2,803
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Quote:
I like the tighter steering and my LTD was too light for my liking so I've got 30mm front bar, 24mm rear and set the caster up around 7 1/2*-8* degrees positive with half degree split. Wider tire's obviously also contribute to heavy steering
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Current Car: 2002 AUII LTD 408ci Windsor, T6 S488, TH400, 2 Piece Shaft, Helicial LSD 3.23 IRS Daily: 1998 Mitsubishi Super VR-4 Legnum |
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06-06-2021, 08:32 AM | #34 | ||
mechanical novice hopeful
Join Date: Feb 2018
Location: Melbourne
Posts: 507
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I haven't been able to make the time yet to investigate further this AU I have with much heavier steering.
But something I did notice in the recent cold snap, just with this car, is when I started driving it on a cold morning, I had to fight with the steering wheel it was so heavy. This was for about 50 meters and then it just released back to just the usual heavier steering. It seemed like either the fluid somewhere or part of the steering itself had frozen? What might that be? And could it be related to the overall heavier steering of this car? |
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03-12-2021, 08:40 AM | #35 | ||
mechanical novice hopeful
Join Date: Feb 2018
Location: Melbourne
Posts: 507
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Because I continue to have no time to work on my AU's as I had planned, I am putting my Forte i6 Option 20 police pack into the mechanic next week.
First thing was to resolve this heavy steering (much heavier than my 5 other i6 AU's). I have a seal kit to go in the existing pump. If there is no improvement, I have a good spare pump to go in. And if there is still no improvement, I've got a good spare rack to go in. I want to keep this car long term and spend more on it (manual & vct conversions, respray). But I can't keep it if the steering is so heavy...I just want it to be like my other AU's...I love the light steering in a big car. I was speaking to another AU Option 20 owner. He has 2 other AU's. And he said that the steering in his Option 20 is much heavier too. My mechanic (who tells me I am wasting my money, and that he prefers heavier steering in his falcons) had previously asked me, if it was possible the Option 20's deliberately came with a heavier steering? I have not been able to find any reference to that being the case though. Would really appreciate if anyone knew anything about this thankyou. Last edited by asimplelife; 03-12-2021 at 08:47 AM. |
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03-12-2021, 10:25 AM | #36 | ||
Donating Member
Join Date: Jun 2007
Location: Checking out soft furnishings....
Posts: 8,525
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My old OPT 20's steering was light as a feather. Some of my AU's are heavier than others, doesn't bother me at all.
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Proud owner of the ugliest Ford ever made |
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03-12-2021, 11:36 AM | #37 | ||
mechanical novice hopeful
Join Date: Feb 2018
Location: Melbourne
Posts: 507
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Thankyou very much for the feedback.
But when I bought those side skirts from you a while back...you suggested you might be a little ocd...at least with AU's...so I guess it should be clear to me where I now sit on that scale |
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03-12-2021, 11:59 AM | #38 | ||
FF.Com.Au Hardcore
Join Date: Oct 2010
Location: Perth, WA
Posts: 572
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XF Fairmont Ghia was the lightest steering I've ever used, was almost dangerous at high speed
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FGII FPV F6 #406 BFII FPV F6 Typhoon R Spec #118 VK HDT Group A/Group 3 #3249 |
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03-12-2021, 08:06 PM | #39 | ||
Donating Member
Join Date: Jun 2007
Location: Checking out soft furnishings....
Posts: 8,525
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I guess it depends how heavy it is and the feel you like. For me, there is nothing wrong with any of them in the steering, all components are good. I have no idea why some are lighter and some aren’t but I’m ok with it. Depends how heavy we are talking though, I wouldn’t consider any of mine “heavy” so to speak.
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Proud owner of the ugliest Ford ever made |
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10-12-2021, 06:34 PM | #40 | ||
mechanical novice hopeful
Join Date: Feb 2018
Location: Melbourne
Posts: 507
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Well all fixed!
Just installed an ebay power steering pump seal kit, and now the steering is lighter than any of my 7x AU's. It was also suggested that maybe due to the poor seals, the power steering pump was being effectively bypassed? Although there were no fluid leaks from the pump. I had already replaced the ball joints and had the wheel alignment shimmed up. All that I didn't replace was the pump itself or the rack. And the theory that maybe option 20 police packs have different steering is debunked. Thanks to all for the guidance. I am very happy with the result. Now this is my sedan keeper and I can start putting some money into it. |
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17-12-2021, 08:39 AM | #41 | ||
mechanical novice hopeful
Join Date: Feb 2018
Location: Melbourne
Posts: 507
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Happiness is but a fleeting emotion anyway.
So after installing the power steering pump seal kit, the steering in this option 20 forte became the lightest of all my (x6 actually) AU's. Then I loaned the car to someone for a few days, who put a load of km's on it. Got it back yesterday, the steering is heavy again. Maybe not quite as heavy as it was, but very close. I have no idea what could be going on now? It seems like my next step is to replace the whole power steering pump with a good one from another AU that I am wrecking? |
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