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V-BUTT WINDSCREEN – FX & FJ HOLDEN and others

Installation instructions V-BUTT WINDSCREEN – FX & FJ HOLDEN and others

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Glass 4 Classics has included this v-butt installation manual as a service for those who are installing one of our V-Butt windscreens. 

If you would like to purchase one of these screens, or require further information please check our store listing or contact us by phone or email.

 

 

 

 

Getting ready for the installation:

1. Remove your existing windscreen. With a stiff bladed putty-knife or trim removal tool, remove the centre stainless trim which is a snap on fit. 

2. Where chrome mouldings are fitted, prise the moulding from the clips and remove the clips from the filler, taking care to avoid damaging the clip or the flange of the filler.

3. Find the join and remove one end of the weatherstrip locking filler from its channel, using a small pick or similar, sufficient to take hold of by hand and pull it out of the channel all around.

4. From the inside of the body, push the glass out from the windscreen rubber. Starting in the top outside corner and working your way along and down. The rubber will remain in the opening during this process. Once the glass is out, remove the rubber weather strip and thoroughly clean any old windscreen sealant from the body.

5. Once the aperture has been cleaned, you are readyto remove the centre bar windscreen support. The top is held in by a screw and the bottom will either have self-tapping screw or tack weld holding it.

Installation of your new V-BUTT WINDSCREEN – FX & FJ HOLDEN

1. With the existing windscreen removed and the aperture cleaned, now is the time to install the new windscreen rubber. The rubber used is an extrusion which comes in a long length. Ensure that the flange/aperture is straight all the way around the windscreen, if it is bent in any places, it should be straightened.

2. Apply a bead of windscreen sealant around the flange, paying careful attention to apply it in the lower, outer corners prior to fitting the new windscreen rubber.

IMPORTANT NOTE:  When fitting a new windscreen rubber, it is essential that for every 30cm of rubber, approximately 5mm additional be added to allow for compression, this ensures that an effective join seal is obtained.

Where the join in the rubber is located, the rubber can be cut carefully with a sharp knife to ensure a straight, clean cut.  It is personal preference as to where you would like the join, some people like the join cut to mitre in the centre at the bottom of the windscreen, others prefer it halfway along one side at the bottom. Either way is effective. Using a quick-drying rubber adhesive or superglue is advisable to stop movement where the join meets.

3. Select one side of the windscreen and take note of the mitred straight edge! There is a Left and a Right side to the windscreen! The longest point of the mitre faces the outside of the vehicle. Now is the time to use some masking tape, or similar, to protect the mitred edge. Run a few lengths over it and build up some thickness. Be sure to keep the tape about 20mm away from the top and bottom edges to allow the glass to sit in the rubber without interference from the tape.

4. Start by locating the lower, curved outside edge of the windscreen in the rubber, fitting it into the rubber as you work your way along.  Once the glass is in, the weight of the glass may have a tendency to roll the rubber off the aperture and cause it to drop into the car.  So have a second set of hands hold it in place or prop it from the inside carefully until you have finished the other side.

5. Now you can start installing the second half of the windscreen.

IMPORTANT NOTE:  You will need to take great care at this stage, if you bump the inside edges of the glass together you will risk cracking the glass.

We highly recommend using a plastic or 3mm MDF spacer at this stage, and tape them carefully to the top and bottom inside edges of the windscreen half that you have already installed. Doing this will prevent the two screens being accidentally bumped together.

6. Fit the other half of the glass in the same manner that you fit the first. A plastic windscreen chisel stick is a great tool to aid in the installation of your new windscreen. (Supplied with your new windscreen).

7. With the two halves now installed, take the time to get the join down the middle nice and straight. You will need to leave a 3mm gap between the two halves. They MUST NOT be resting against one another or they will break! Once you have got the windscreens located you can start to install the rubber locking strip. It is advisable to run a small bead of windscreen sealant between the outside face of the glass and the rubber at this stage.

8. With that completed you can now start to fit the rubber/nylon locking strip in place. A spray bottle with some warm soapy water works very well. This will aid in the locking strip sliding into place without friction. A windscreen locking strip installation tool is available for purchase from Glass 4 Classics should you require it.

9. Once you have got the locking strip back to where you began, cut the strip with an extra 25mm – 30mm overhang. Poke the lose end in hard up against the other and then feed the remaining locking strip into place. This will ensure a good weather tight seal.

10. You can now remove the tape from the inside edge of the windscreens and also the 3mm spacers you used. Give the inside edge of the windscreens (inside and outside) a good clean with some thinners, or wax & grease remover, to ensure that there is no residue anywhere that will prevent the silicone sticking. Mask up the inside and outside faces of the glass down the join. This next part is a two-person job! One person will need to be on the inside and one on the outside of the car. Using a rubber squeegee, or similar, each person will need to push evenly against the glass, moving your way down at the same pace. This will ensure that the join is nice and smooth and that is has been pushed hard up against the glass for a good water tight seal.

IMPORTANT NOTE:  Use ONLY a UV stable glazing silicone for sealing the gap down the centre of the screens. This is readily available from your local hardware store. As this will not be coming in contact with any metal or paintwork, it will be safe for you to use on your vehicle. We include this sealant in our V-Butt package.

Click on photos to enlarge.

1. Install the new rubber after a small bead of sealant has been run.

2. Take note of the tape down the inside edge of the glass. This assists in preventing breakage.

 

 

 

 

 

 

 

 

3. Note the extra rubber at the bottom. This is needed to allow for the natural shrinkage of the seal..

4. With the windscreen in place, fit the locking strip. Trim with trim cutting shears.

 

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