[TR] TR3 gearbox oil leak
Rye Livingston
ryel at mac.com
Mon Nov 30 17:29:29 MST 2015
I'd also think it would have a distinct transmission oil smell if the owner isn't sure if it's engine or transmission.
On Nov 30, 2015, at 04:16 PM, Carl-TR <cfmtr3a at verizon.net> wrote:
There are only so many (or few) places for oil to leak from the gearbox.
I have my doubts that that is the problem.
Can the underside be cleaned sufficiently to have a ‘clean’ look to it from the below?
If so, I suggest cleaning it, topping up the oil and take it for a very short drive – enough to engage the overdrive.
Park the car overnight on some clean newspaper or something else to see where it is leaking.
Then put it up on a lift and see if you can then see where the oil is coming from. Oil spots on the paper are ‘bread crumbs’
Possibilities –
Make sure all bolts on oil pan and gearbox are tight. If oil is coming from one of the bolt areas – gasket could be torn?
oil pan warped and seeping out that way?
Rear oil seal?
If not the oil pan or loose bolts – no way to do anything but pull gearbox and maybe engine.
C…
Carl Musson
1960 Triumph TR3A
TS81802LO
Tampa Bay Florida
From: Triumphs [mailto:triumphs-bounces at autox.team.net] On Behalf Of Andrew Uprichard
Sent: Monday, November 30, 2015 6:25 PM
To: triumphs at autox.team.net
Subject: [TR] TR3 gearbox oil leak
What do you all think about a car (fortunately not mine) with a supposedly rebuilt overdrive gearbox but which is leaking a cup and a half of oil every 200 miles?
The owner insists it is the gearbox and not the engine, although the leak is hard to pinpoint.
I must confess my ignorance of gearboxes as I usually send them out to be rebuilt by a guy I really trust.
So my question is, is there any type of gearbox leak which is amenable to a fix other than pulling the gearbox out ?
Andrew Uprichard
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