Steering Stiffness Issue

4.2 V8 40v Naturally Aspirated - 339bhp
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215m3
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Joined: Tue Mar 28, 2017 5:30 pm

Steering Stiffness Issue

Post by 215m3 » Wed Feb 14, 2018 2:41 pm

Hi all

I have search through the forum, but have been unable to find the fault me car seems to have.

When driving normally the steering works fine, so for everyday driving no issues. However if I decide to give the car a little hard run on the twisty back roads, the steering really stiffens up, to almost no assistance when back to normal driving. Once the car has cooled down, or the next day the steering is back to normal.

Has anyone else come across this problem with their car and if so what expensive item did it end up being at fault?

MrHilario
5th Gear
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Joined: Thu Oct 08, 2015 4:21 pm

Re: Steering Stiffness Issue

Post by MrHilario » Wed Feb 14, 2018 3:23 pm

Sounds like a power steering issue to me, although I will readily admit I am no expert in cars and how they work. Might be worth looking in to.

Hope you get this fixed either way. :thumb:
Real name: Simon, or Si, don't mind either

1.4 Fiesta (Silver)
2.8 VW Bora V6 4motion (Blue)
4.2 Audi RS4 B7 Avant (Black)

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cobraBLACK
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Joined: Fri Jan 29, 2010 1:23 am
Location: Southampton, UK

Re: Steering Stiffness Issue

Post by cobraBLACK » Mon Feb 19, 2018 2:45 pm

They have variable PAS so they're easy to manoeuvre at low speed but stable at high speed. It sounds like this isn't what you're describing though if the steering doesn't get lighter when you slow down.

Have you checked for faults with VCDS?

If that's the only symptom it sounds like a power steering issue - pressure maybe. If there are other symptoms related to speed it could be a bad speed signal from the ABS ECU.
Audi S4 Avant (B6, 2004) in Goodwood Green.

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