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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PostPosted: Thu Dec 07, 2017 6:35 pm 
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Joined: Sun Sep 08, 2013 2:35 pm
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Apparantly there's a small oil leak just in front of the flange the propshaft bolts to. Is this liable to be an oil seal that can be got at without major work, or am I looking at digging the spare overdrive out of the garage and hoping it works?

ALso, do the GB and OD share oil?

Graham

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The 16v Slant 4 engine is more fun than the 3.5 V8, because you mostly drive it on the upslope of the torque curve.

Factory 1977 TR7 Sprint FHC VVC 697S (Now all of, but still needs putting together)
B&Y 73 Dolomite Sprint UVB 274M (kids!)
1970 Maroon 13/60 Herald Convertable (wife's fun car).


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PostPosted: Fri Dec 08, 2017 12:14 am 
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Location: Highley, Shropshire
Gearbox and overdrive share oil. Just forward of output flange are 2 sources of leakage, the speedo drive seal (an easily replaced O ring) and the rectangular overdrive sump. The latter is held on by 6 1/4" bolts and often leaks despite new gaskets and bolts all tight. I have found a copper washer under each bolt helps here. Plus of course the output shaft seal itself of course! this is also relatively simple to change out!

Steve

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2 door '73 Toledo with Vauxhall Carlton engine OWF 797M (The Carledo)
Vermillion (and Rust) Sprint Auto 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 40 years and home of Maverick Triumph.PM for more info or quotes.


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PostPosted: Fri Dec 08, 2017 7:55 am 
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Thanks Steve, that sounds like relaitively good news. I s'pose I need a gasket set and O ring too. Are there known issues with ones from Rimmerbros?

Graham

_________________
The 16v Slant 4 engine is more fun than the 3.5 V8, because you mostly drive it on the upslope of the torque curve.

Factory 1977 TR7 Sprint FHC VVC 697S (Now all of, but still needs putting together)
B&Y 73 Dolomite Sprint UVB 274M (kids!)
1970 Maroon 13/60 Herald Convertable (wife's fun car).


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