Water pump replacement

[flaatr@yahoo.com (Euroroc II)]

Aspirin? Now that's one I've never heard of...

-Raffi



At 02:44 PM 1/15/03 -0800, you wrote:
>Here's what you need to know about this job:
>
>- definitely disconnect the battery before unbolting the alternator. i
>   always forget this step and have ended up nearly welding tools to the
>   nut on the alternator on accident (not to mention almost starting a fire)
>
>- don't forget to drain the coolant (have new stuff on hand because the
>   old will be dirty from dripping down all the hoses, chassis, etc)
>
>- use only phosphate-free coolant (if you value your engine at all..
>   otherwise all the aluminum parts (like the cylinder head, hmm) will
>   dissolve in to the antifreeze and circulate as black puke in the
>   coolant.)
>
>- refill with 50/50 coolant and distilled water mix
>
>- you'll want a set of sockets with allen bits in them. These make the job
>   a lot easier because there are quite a few allen head bolts (a/c
>   compressor pivot bolts, pulley bolts, etc) down in that area.
>   Unfortunately it takes a little looking to find these in metric.
>   Plain old allen keys will work but you'll cut up your nuckles and you'll
>   probably need to put a cheater pipe on them.
>
>- don't disconnect the a/c or power steering lines. just take the pumps
>   off with the lines connected and set or "hang" them aside (with bent
>   coat hanger wire)
>
>- make sure you understand how the tensioning mechanisms work before you
>   put everything back together and tighten the belts again. they're a
>   little complicated and not quite what they seem at first sight.
>
>- if you purchased a complete water pump your job will be easier. if not,
>   you need to swap the pump in to the old housing. be very careful with
>   the 6-8 bolts between the pump and the housing. They're literally famous
>   for always snapping off.
>
>- make sure the thermostat gets re-installed the correct direction.
>
>- loosen the pulley bolts before removing the belts. otherwise the pulleys
>   will just spin when you're trying to remove the bolts later.
>
>- make sure you seat all the pulleys correctly on re-installation. They
>   tend towards not seating properly.
>
>- don't forget the two o-rings between the water pump and the block. if
>   they're old it would be a good idea to replace them to prevent coolant
>   leakage.
>
>- when you start the car back up again, keep a very close eye on the
>   temperature. chances are you will overheat if you just let it sit there
>   because you will have an air bubble in your cooling system. the bubble
>   sits right next to the thermostat, insulating it and preventing it from
>   opening like it should. Some people drill a small hole in the thermostat
>   to solve this problem. Others wedge an aspirin inside the thermostat to
>   hold it open until the aspirin dissolves. The 'manual' method of burping
>   the air out involves taking the reservoir cap off and running the engine
>   at high rpms until the level in the reservoir drops waaaay down. Then
>   add more water. Sometimes you need several heat and cool cycles too to
>   get all the air out.
>
>The hub size for the 16v water pump is 30mm.
>
>Good luck,
>
>-Toby
>
>On Wed, 15 Jan 2003, der flo wrote:
>
> > U wouldn't happen to know the hub size and how many bolts for the 16v one
> > with p/s and a/c?  I called a auto parts store and there 4 different
> > ones.
> >
> >
> > On Wed, 15 Jan 2003 14:30:37 -0500 JoshuaA.Conner@VerizonWireless.com
> > writes:
> > > No AC: fairly easily, about 9 bolts.
> > > With AC: small PITA b/c of the AC compressor
> > >
> > > My $.02
> > > Joshua C.
> > >
> > > -----Original Message-----
> > > From: der flo [mailto:derrickmd18@juno.com]
> > > Sent: Wednesday, January 15, 2003 5:13 PM
> > > To: scirocco-l@scirocco.org
> > > Subject: Water pump replacement
> > >
> > >
> > > How hard is it to replace the water pump on the 16v scirocco?
> > >
> >
>
>
>
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