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Hj wagon electric tailgate nightmare

Hi all
I recently had a one owner 75 hj premier wagon complete body restoration and noticed that the guy who did it didn't rust proof inside the tailgate.
I pulled it out, first the glass, unbolted the electric motor followed by the regulator that winds the window up and down.
I have all the pieces, but very little idea on how it all goes back in. I have tried for 2 days straight and only managed to scratch the new paintwork.
I need help or if anyone knows of a good workshop in the Brisbane area that specialises in old holdens can you please let me know. There are a couple of other minor things( interior) I need fixed. For someone who knows what they are doing it would take them a couple of hours at best.
Thanks

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You leave the Rails loose while you fit the Motor and Regulator inside the Tailgate while the Glass is removed.

The Tailgate must be opened and in the horizontal position to achieve this.

You may have to remove the Inside Cover and loosen all Runner and Base Bolts to achieve this if the Tailgate can't be opened.

Reassembly:
Once all that is assembled and operational you lower the Glass into the Track from the Outside.

I chose to Glue the Glass into their Seats.

Once the Glass is in you tighten the Bolts that hold the Runners to the Tailgate and the Bolts that hold the Base to the Arms of the Regulator.

Next you operate the Window up and down looking for tight Spots in the Runners that you must free up by repositioning the Runners.

Lower the Glass all the way, close the Tailgate and you've finished the job.

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T

My Shed

Holdenpaedia, they're the brakes Mate.

Hi there and thanks for your feedback- the regulator( RHS) when looking directly at the tailgate has a coiled spring on the back and I am having trouble getting the left and right regulator arms meshed in the correct position prior to fitting the motor on. It's the regulator arms I can't get into the correct position before I mesh the teeth into the motor.
Also, the spring I mentioned is very stiff. It winds up very quickly but when I go to wind it down it is very slow?

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Thanks for your help

I found this took a number of attempts to correct.

I did it by removing both Arms and reconnecting them at different Geartooth positions until I found a working one.
All this occurs when the Spring Tension is least.

"Also, the spring I mentioned is very stiff. It winds up very quickly but when I go to wind it down it is very slow?"

That's the Function of the Regulator. It's purpose is to offset the weight of the Glass which makes the Glass easy to raise and lower.

The Spring is releasing as the Glass ascends, which helps to lift the Glass.

The Spring is stretching as the Glass descends. The weight of the Glass makes the Spring easier to stretch.

It's the same as the Springs that hold the HJ's Bonnet up. The Springs are stretched when the Bonnet is lowered and the Springs release as the Bonnet is raised.

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T

My Shed

Holdenpaedia, they're the brakes Mate.

The regulator arms also have 2 rollers that slot into a channel bracket that bolts onto a metal frame the glass sits in.
I am completely lost on this one

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Thanks for your help

That's correct.

The Rollers are fitted one at a time into the Glass's Channel bottom.

Remove the Glass from it's Channel bottom.

The action of the Rollers is to roll away from each other as the Glass is lowered.

The action of the Rollers is to roll towards each other as the Glass is raised.

They are there to make the lifting and lowering process easy to perform and they actually perform the lifting and raising.

To assemble:
You will have to orient the Regulator Arms inside the Tailgate which you will to do with the Regulator in halves. I don't think you can make it fit if it's complete.

Slide the vertical Channels into place and fit the Bolts finger tight.

As I said above, assembling the Regulator is about getting the Arms at their first engagement point. They will look lopsided at this point.

Once the Regulator is in position, the Rollers are fit one at a time into the bottom Glass Channel. The Roller Channels will have to be separated from the Glass to achieve this.

Then the vertical Runners are bolted down which traps the Rollers into place.

Make sure you grease the Rollers after they've been fitted.

You slide the Glass in from the top and glue it into the Channel. Lastly, fit the Rubber Seals at the top of the Tailgate.

Check the Tailgate for closing and make sure the Glass can glide smoothly as it ascends and descends.

You will need to adjust the closing point of the Tailgate to achieve this.

If the Top closes too far in, the Glass will jam.

If the Top closes too far out, the Glass will jam.

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T

My Shed

Holdenpaedia, they're the brakes Mate.

I live in Redland Bay Queensland and was wondering if anyone that can help lives in the area or knows of a place that specialises in early model Holden repairs?

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Thanks for your help

I live in Redland Bay Queensland and was wondering if anyone that can help lives in the area or knows of a place that specialises in early model Holden repairs?

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Thanks for your help

Can anybody tell me if a HQ to HZ electric tailgate station wagon regulator assembly fit a HR station wagon tailgate? Cheers anybody

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The regulator will bolt in, but the lifting arms are a different length then q to z. When you put a HD/HR one in a q to z the glass sticks out the top of the tailgate about 75 mm w

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