The Triumph Dolomite Club - Discussion Forum

The Number One Club for owners of Triumph's range of small saloons from the 1960s and 1970s.
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 Post subject: Sprint door lock
PostPosted: Tue Mar 13, 2018 4:43 pm 
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Joined: Tue Feb 13, 2018 9:34 pm
Posts: 3
HELP! The driver's door lock and knob have jammed in the locked position. I can access it via the passenger door, but whatever I try I can't coax the lock to open or the knob to lift. It's happened once before and I managed to persuade it to unlock by depressing the knob slightly while unlocking it with the key. I removed the door panel and lubricated everything, but couldn't see anything physically adrift. It's now happened again but the same trick isn't working now! Ideas please ...


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 Post subject: Re: Sprint door lock
PostPosted: Tue Mar 13, 2018 6:37 pm 
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Joined: Fri Jan 08, 2016 9:00 pm
Posts: 789
Sorry, no idea how to help, but you'll get more views (and more replies) if you post this in the main Dolomite-related section of the forum.
Good luck.


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 Post subject: Re: Sprint door lock
PostPosted: Tue Mar 13, 2018 8:17 pm 
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Joined: Tue Feb 13, 2018 9:34 pm
Posts: 3
Ah - I'm new to the Club and thought I was! Thanks for that.


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 Post subject: Hmmm.......
PostPosted: Wed Mar 14, 2018 11:46 am 
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Joined: Thu Aug 09, 2007 12:22 pm
Posts: 6248
Location: Caithness, Scotland
It sounds to me like the lock itself is at fault.

A struggle it will be, but if this is so you will need to remove the door trim panel, which may require the driver's seat
to be removed for access.
Once the trim panel is off, you can disconnect the locking knob's rod from the lock itself
and then manipulate the lock's lugs to unlock the door.


hope this helps,


Ian.


PS I'll move this to the "Dolomite Related" section...

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 Post subject: Re: Sprint door lock
PostPosted: Wed Mar 14, 2018 12:02 pm 
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Joined: Tue Feb 13, 2018 9:34 pm
Posts: 3
Thanks Ian.


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 Post subject: Re: Sprint door lock
PostPosted: Thu Mar 15, 2018 7:58 pm 
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Joined: Tue Feb 13, 2018 9:34 pm
Posts: 3
I've persevered and have managed to unlock the door!! As I was advised though, I think the lock mechanism is caputt and I'm seeking a serviceable replacement. New ones are listed by Rimmers as 'no longer available' - really helpful - but Fitchetts et al don't even seem to list them, available or not.

In case it's of any interest to anyone in a similar predicament, here's what I did, albeit over a period of three days! Firstly, I squirted fairly liberal amounts of dry lubricant (not WD40 as it accumulates gunge) everywhere I could get the nozzle in - door lock, down the lock knob hole etc and the next day tried pushing/pulling the locking knob while operating the key in the lock. No joy.

Next I went fishing with a bent coat hanger - hoping not to get arrested - while fiddling with the key. Nothing. So more lubricant. Next day I was bloody determined to get back into my Sprint, so I allocated a whole day to the task. I needn't have. 2 minutes' more fishing with the coat hanger until it seemed to have hooked under the link to the door knob, plus a firm turn of the key and a lift of the coat hanger and CLICK!! The damn door was unlocked. Probably not much of a lesson to be learned as the mechanism is clearly knackered and so luck rather than judgment won the day, but I thought it might encourage others! Must remember not to lock it again ...


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 Post subject: Re: Sprint door lock
PostPosted: Thu Mar 15, 2018 9:24 pm 
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Joined: Sun Aug 21, 2011 4:12 pm
Posts: 4609
Location: Highley, Shropshire
I'm sure I can find you a serviceable drivers door latch mechanism.

I recently acquired a half restored Sprint, 2 doors jammed shut and locked, 1 door needing "persuasion" to unlock or open and one door that didn't fit but did at least open and close.

Lubrication and adjustment solved the sticking N/S/R door, lubrication and persuasion got the O/S/R open and more perseverance got it working properly. I'm rebuilding the unsalvageable O/S/F door which only leaves the N/S/F to deal with.

It seems to be a common-ish problem with cars that are used infrequently, i'm not sure why, maybe something to do with the original grease solidifying and binding everything up. My usual method is to drown everything in WD40 to wash away the old grease and get the door unlocked and open by removing the rods and working the lock and latch bars directly. Then I remove and clean the latch and use white m/cycle chain grease to lube it before refitting.

Hope this helps, Steve

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2 door '73 Toledo with Vauxhall Carlton 2.0 8v engine OWF 797M (The Carledo)
'78 Sprint Auto with Vauxhall Omega 2.2 16v engine EGP 247T (The Dolomega)
'91 Cavalier 2ltr 8v auto
'95 Cavalier 2ltr 16v auto
Spectrum Auto Services, Servicing, Repairs, MOT prep. Apprentice served Triumph Specialist for 45 years and home of Maverick Triumph.PM for more info or quotes.


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 Post subject: Re: Sprint door lock
PostPosted: Fri Mar 16, 2018 12:00 am 
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Joined: Tue Feb 13, 2018 9:34 pm
Posts: 3
Thanks Steve - I'll pop down and see you!


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