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Old 23rd July 2008, 07:56   #1
Rovernut
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Default VIS .....What does it stand for?

I have spoken to two Xpart dealers in the North West re replacing VIS motors and they have never heard of them!

When I explained where they lived, I was told "Oh we always replace the whole manifold".... its £500!

I have been asked to book in a Danish member (Erik) with a North West Ex Rover dealer to sort his "rattling manifold problem" when he arrives in Manchester next week. Mike has indicated I could fix this for him with new motors as they're fairly easy to replace, however I don't want to finish up with Erik being stranded here if it gets complicated.

Do Rimmers stock these?

Any thoughts?

What does VIS stand for?

Chris
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Old 23rd July 2008, 08:23   #2
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VARIABLE INTAKE SYSTEM!
There are millions of threads on this subject!
Try this one for starters
http://www.mgcars.org.uk/cgi-bin/gen...6variable.html

http://www.the75andztclub.co.uk/foru...motor+manifold

And this one. The search tool bar up top is working great at mo!!
http://www.the75andztclub.co.uk/foru...7&postcount=28
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Old 23rd July 2008, 12:03   #3
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Chris,

Part numbers are:

MKE100102 - Motor assembly multi point injection/TBI (VIS motor unit, the one on the top)
MKE100110 - Motor Assy-MPI/TBI (VIS motor unit, the one on the back/side)

pic of location of top motor (back motor is behind this and on the end of the manifold:



When replacing you must take rubber seal from old motor body and put on the new one as new motors come sans seal. Motors are held on iwth four screws - undo and remove - easy peasy

hth

Mike
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Old 23rd July 2008, 20:28   #4
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I thought it was Very Irritating Sound from the manifold
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Old 23rd July 2008, 20:30   #5
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Jules

Thanks for the websites they were very interesting, however I had searched for some time and found many references to repairing the VIS motors with a soldering iron, but this was not what I required.

I just needed reassurance as to what it involved in removing and replacing the motors.... this I did not find.

I have no experience of the V6 motor as all my experience is with the K4.

I'll ring Rimmers tomorrow to check availability and have a go using Mike's part numbers and info.

Thanks again

Chris
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Old 23rd July 2008, 20:47   #6
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Very Idiotic System
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Old 23rd July 2008, 20:55   #7
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Default Virtually Incorrect Solution?

Cheers Mike

Thanks for the part numbers, I hope they're as easy to fit as you say!

Trouble could start when it isn't cured by just the motors being replaced!

Chris
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Old 23rd July 2008, 21:02   #8
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Five minute job each to change them, one connector & 4 screws. Piece of cake!

Like Mike says Remember to transfer the rubber seal from the old to the new motor!

Have a look at the link, there's some links, which explains how & what the VIS is.

http://www.the75andztclub.co.uk/foru...ad.php?t=18709
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Old 23rd July 2008, 23:40   #9
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Thanks Tatts, what a fantastic set of videos!

Is the dreaded inlet rattle usually cured by replacing these two motors?

Chris
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Old 24th July 2008, 08:06   #10
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Agree with Miketata
Thinking back to my old J reg Rover 827 Sterling (what a fantastic motor that was), the Honda Legend engine was completely trouble free even after 180,000 miles.

The variable inlet tracts on that were vacuum operated with a few linkages.
(didn't even have to adjust them after all those miles)

It still puzzles me how manufacturers in this day & age can produce a duff design after all previous mistakes have been learned.
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