4kq and issues

[Huw Powell]

> The 4kq intake path contains a weak spot at the lowest point of the
> flexible air duct that loops down from the intake opening under the fender.
> By now, that old duct has rotted and has holes in it that allow water to
> get sucked into the induction path when that water is only about a foot
> deep.  Mine did it and failed with hydrolock, requiring engine replacement.

and the earlier cars (84 and earlier?) had their intake setup lower -
inside the front bumper side wing area.

> >I have had my Audi deeper than that.  I came across a flooded road and
> >needed to cross.  I knew about water ingestion issues so I just idled along,
> >figuring that if water got in, it would kill the engine before enough got in
> >to bend rods.

Mine didn't bend a rod, it "cocked" a piston close to TDC and caused a
nasty burr on the cylinder wall.  The engine could be turned by hand
about 355 degrees each way, but would not get past that little ding.
oops.

> >  Driving with water well over the bottom of the doors is a
> >very weird feeling.

half way up the doors is even weirder... when your bow wave starts
cresting over the hood you begin to wonder what you are doing... oops,
that overhead bridge forced the *lowering* of the road underneath it.
water deeper than it appeared. 1-800-AAA-HELP time!

--
Huw Powell

http://www.humanspeakers.com/audi/

http://www.humanthoughts.org/