A3 1.8T running and brake issues

Gizmo_TD · 03-20-2007, 01:35 PM

Hi, i'm new here and in need of some help.

I have a friend who owns a 1.8T A3 which is giving him some serious grief.

It's hunting for revs and the brake pedal is solid as a rock. Its been to Audi and they want to replace the throttle body at a cost of £440 but I'm not convinced its the problem. Having done a bit of research, the MAF seems to be a common issue but dont see how this could effect the vacuum to the brake servo. My thought is a leaky gasket allowing unmetered air in and chocking the system.

Having never really done anything on Audi's before, am hoping that someone may have had a similar problem or be able to offer any advice.

TIA

Ed

Mk2mat · 03-20-2007, 05:07 PM

Hi, it sounds like you've got the right idea. I too would also check the vacuum lines.

03-20-2007, 01:35 PM	#1 (permalink)
Gizmo_TD Newbie Join Date: Mar 2007 Location: Horsham, West Sussex Posts: 1 Gallery: (0)	A3 1.8T running and brake issues Hi, i'm new here and in need of some help. I have a friend who owns a 1.8T A3 which is giving him some serious grief. It's hunting for revs and the brake pedal is solid as a rock. Its been to Audi and they want to replace the throttle body at a cost of £440 but I'm not convinced its the problem. Having done a bit of research, the MAF seems to be a common issue but dont see how this could effect the vacuum to the brake servo. My thought is a leaky gasket allowing unmetered air in and chocking the system. Having never really done anything on Audi's before, am hoping that someone may have had a similar problem or be able to offer any advice. TIA Ed

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03-20-2007, 05:07 PM	#2 (permalink)
Mk2mat Member Join Date: Feb 2007 Posts: 40 Gallery: (0)	Hi, it sounds like you've got the right idea. I too would also check the vacuum lines.

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