VIS Motors

KernowRover · 26th May 2015, 12:50

I can find information on the site with regard to repairing vis motors but nothing on how to remove them.

Can anyone help please?

Many thanks

Tom

Nige B · 26th May 2015, 12:53

2 screws and lift off I believe ...

KernowRover · 26th May 2015, 13:26

The power vis has 3 screws, but having taken those out I still can't get it out.

dattrike · 26th May 2015, 15:35

Quote:

Originally Posted by KernowRover

The power vis has 3 screws, but having taken those out I still can't get it out.

They should both have 4 screws in them. Remove and tap the edge where the screws go whilst pulling on the bit where the connector goes

It's easier to pull the vacuum hose out near the power motor, don't forget to put it back!!!

mh007 · 26th May 2015, 16:24

Yep, 4 screws on both.

As suggested, pull out the vacuum pipe (press the red ring down whilst pulling on the pipe).

When removed, check that the balance butterfly (the one nearest the bulkhead, opens & closes with ease (you may have to shave a little off if it doesn't).

Also make sure the end hasn't sheared off.

Before refitting, make sure you have both seals in place.

When refitting the balance VIS, the butterfly should be in the full open position for the VIS motor to line up.

When refitting the power VIS, make sure the butterfly arm in the manifold is all the way to the left (looking from front of car) & ease the VIS motor in to locate the peg.
(once located, it should sit nicely flat - if it doesn't, it isn't aligned so don't force it).

With reference to the screws on both, put them in & turn them anti-clockwise to find the original thread, you'll feel the screw drop slightly (otherwise they'll try to cut a new one & this will make them tighter going in).

With regards to repairing, Stocktake (Dave) is the man you need to talk to on here.

Arctic · 27th May 2015, 00:57

Quote:

Originally Posted by mh007

Yep, 4 screws on both.

As suggested, pull out the vacuum pipe (press the red ring down whilst pulling on the pipe).

When removed, check that the balance butterfly (the one nearest the bulkhead, opens & closes with ease (you may have to shave a little off if it doesn't).

Also make sure the end hasn't sheared off.

Before refitting, make sure you have both seals in place.

When refitting the balance VIS, the butterfly should be in the full open position for the VIS motor to line up.

When refitting the power VIS, make sure the butterfly arm in the manifold is all the way to the left (looking from front of car) & ease the VIS motor in to locate the peg.
(once located, it should sit nicely flat - if it doesn't, it isn't aligned so don't force it).

With reference to the screws on both, put them in & turn them anti-clockwise to find the original thread, you'll feel the screw drop slightly (otherwise they'll try to cut a new one & this will make them tighter going in).

With regards to repairing, Stocktake (Dave) is the man you need to talk to on here.

As above with a few pics added

ProfDave · 27th May 2015, 05:57

Quote:

Originally Posted by KernowRover

The power vis has 3 screws, but having taken those out I still can't get it out.

there are four on each or at least there should be; quite a fiddle. When you put it back together be sure the VIS sits down nicely on its seal before you re screw it down

ProfDave · 27th May 2015, 05:59

PS I have found a small socket set with a cross head screwdriver tip to be easier to get in position than any screwdriver. Do not over tighten doing it this way though!

KernowRover · 27th May 2015, 11:41

Thanks for all the advice guys.

I have found the fourth screw, and now have a brand new power vis fitted.

ProfDave · 27th May 2015, 19:01

great stuff ; working VIS motors really make a difference!!

26th May 2015, 12:50	#1
KernowRover Posted a thing or two Rover 75 Saloon, 2.5 V6 Join Date: Feb 2013 Location: Bude, Cornwall Posts: 1,207 Thanks: 239 Thanked 79 Times in 67 Posts	VIS Motors I can find information on the site with regard to repairing vis motors but nothing on how to remove them. Can anyone help please? Many thanks Tom __________________ KernowRover Avid 75 Fan The Walnut Bling King. http://i1255.photobucket.com/albums/...ps0wrx8vrj.jpg

26th May 2015, 12:53	#2
Nige B This is my second home honda civic Join Date: Jan 2011 Location: lowton Posts: 4,414 Thanks: 899 Thanked 616 Times in 490 Posts	2 screws and lift off I believe ... __________________ [SIGPIC][/SIGPIC] Nige B

26th May 2015, 13:26	#3
KernowRover Posted a thing or two Rover 75 Saloon, 2.5 V6 Join Date: Feb 2013 Location: Bude, Cornwall Posts: 1,207 Thanks: 239 Thanked 79 Times in 67 Posts	The power vis has 3 screws, but having taken those out I still can't get it out. __________________ KernowRover Avid 75 Fan The Walnut Bling King. http://i1255.photobucket.com/albums/...ps0wrx8vrj.jpg

26th May 2015, 16:24	#5
mh007 This is my second home MG ZT260 SE, MG ZT190+, MG ZTT 160, R75 Conn SE 2.0, R75 Conn SE 2.5 X 3, R75 Club SE 1.8, P5B Coupe Join Date: Jul 2009 Location: Keynsham, Bristol Posts: 4,211 Thanks: 65 Thanked 635 Times in 499 Posts	Yep, 4 screws on both. As suggested, pull out the vacuum pipe (press the red ring down whilst pulling on the pipe). When removed, check that the balance butterfly (the one nearest the bulkhead, opens & closes with ease (you may have to shave a little off if it doesn't). Also make sure the end hasn't sheared off. Before refitting, make sure you have both seals in place. When refitting the balance VIS, the butterfly should be in the full open position for the VIS motor to line up. When refitting the power VIS, make sure the butterfly arm in the manifold is all the way to the left (looking from front of car) & ease the VIS motor in to locate the peg. (once located, it should sit nicely flat - if it doesn't, it isn't aligned so don't force it). With reference to the screws on both, put them in & turn them anti-clockwise to find the original thread, you'll feel the screw drop slightly (otherwise they'll try to cut a new one & this will make them tighter going in). With regards to repairing, Stocktake (Dave) is the man you need to talk to on here. Last edited by mh007; 26th May 2015 at 16:29..

27th May 2015, 11:41	#9
KernowRover Posted a thing or two Rover 75 Saloon, 2.5 V6 Join Date: Feb 2013 Location: Bude, Cornwall Posts: 1,207 Thanks: 239 Thanked 79 Times in 67 Posts	Thanks for all the advice guys. I have found the fourth screw, and now have a brand new power vis fitted. __________________ KernowRover Avid 75 Fan The Walnut Bling King. http://i1255.photobucket.com/albums/...ps0wrx8vrj.jpg

27th May 2015, 05:59	#8
ProfDave This is my second home ZTT, Contemp Saloon, Duotone Tourer Join Date: May 2012 Location: Llandeilo Posts: 4,192 Thanks: 290 Thanked 387 Times in 333 Posts	PS I have found a small socket set with a cross head screwdriver tip to be easier to get in position than any screwdriver. Do not over tighten doing it this way though!

27th May 2015, 19:01	#10
ProfDave This is my second home ZTT, Contemp Saloon, Duotone Tourer Join Date: May 2012 Location: Llandeilo Posts: 4,192 Thanks: 290 Thanked 387 Times in 333 Posts	great stuff ; working VIS motors really make a difference!!