Gearbox oil

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ajg1722
Posts: 35
Joined: Tue Jul 22, 2014 6:10 pm
Your interest in the forum: Current restoration projects: Bradford CC Truck, 1939 Tatra 57b.
Also have 1953 Ariel Square Four, 1958 Velocette Venom, 195? Panther M100, 1963 Standard 7cwt Van, 1963 Standard 7cwt Pickup, 1976 MZ TS250/1, 1984 MZ ETZ250, 2001 Toyota Hilux, plus a couple of CZ 175 bikes, all variously running or awaiting restoration.
Given Name: Andrew
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Gearbox oil

Post by ajg1722 »

Hello,

I have just replaced the oil in my CC gearbox (it was drained for transport purposes), added as per manual 1½ pints (=700ml). Checked the dipstick and the oil is right up to the top, way past the "Fulll" mark. Something not right here.
Has anyone any experience of the matter?
Cheers,
Andrew
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Jeremy
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Joined: Thu Apr 18, 2019 5:23 pm
Your interest in the forum: I now have a CB Bradford kit of parts - one special coming up!
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Re: Gearbox oil

Post by Jeremy »

It is a pending job on my CB , different gearbox but the manual says the same 1.5 pints. I'll let you know how I get on.
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Tony Fearn
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Joined: Thu Feb 09, 2006 5:33 pm
Your interest in the forum: Early pre-wars. Owner of 1933 'Flying Fox' 'Sarah Jane, and 1934 Short saloon 'Mary Ellen'.
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Location: Clayton le Moors, Lancashire, the Premier County in the British Isles!!
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Re: Gearbox oil

Post by Tony Fearn »

Hello Andrew,
Perhaps an email to P.B. the Bradford registrar will be of help.
He's in the list of officers in the inside page of the Jowetteer magazine.
Tony.
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BarryHarding
Posts: 24
Joined: Wed Dec 20, 2017 3:54 pm
Your interest in the forum: Jowett Bradford owner with an interest in older British cars currently have 1937 Jowett 10 hp roadster, 1948 Morris Six, restored but now in only fair condition, 2 CC Bradfords, 1 restored and the other unrestored.
An unrestored 1956 Jaguar 2.4 Saloon.
Given Name: Barry
Location: Western Australia
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Re: Gearbox oil

Post by BarryHarding »

I did the same and found the gearbox leaked oil at the rear, so I dropped the level to full on the dipstick, fixed the leaking.
I have done over 5000 miles with it like this with no issues, actually it would be due for an oil change now.
I am not sure if the amount in the manual is incorrect or not, I have never looked into it any further.
Barry Harding
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ajg1722
Posts: 35
Joined: Tue Jul 22, 2014 6:10 pm
Your interest in the forum: Current restoration projects: Bradford CC Truck, 1939 Tatra 57b.
Also have 1953 Ariel Square Four, 1958 Velocette Venom, 195? Panther M100, 1963 Standard 7cwt Van, 1963 Standard 7cwt Pickup, 1976 MZ TS250/1, 1984 MZ ETZ250, 2001 Toyota Hilux, plus a couple of CZ 175 bikes, all variously running or awaiting restoration.
Given Name: Andrew
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Contact ajg1722

Re: Gearbox oil

Post by ajg1722 »

I've referred the matter to Paul Beaumont and he agrees the 1.5 pint figure for the CC gearbox is definitely wrong, though this figure is universally quoted in the literature. He is looking into whether there is a Jowett Technical Bulletin on the subject.

Meanwhile I filled my gearbox to the "Full" mark and it took 500ml.

I don't have a CA/CB gearbox to check the figure, someone else will have to do that.

Andrew
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Keith Clements
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Re: Gearbox oil

Post by Keith Clements »

Why not try the search server above to answer the question.
skype = keithaclements ;
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