[TR] TR3/TR4 block drain valve?

davehogye dlhogye at comcast.net
Sun May 19 19:42:46 MDT 2013


The drain valve is pretty sturdy and it should have a fiber washer between it and the block. So it should come loose with a quick "surprise" twist of a wrench. 


Dave H. 

----- Original Message -----
From: "Allen Hess" <allenhess at mgcarclub.com> 
To: triumphs at autox.team.net 
Sent: Sunday, May 19, 2013 5:19:58 PM 
Subject: Re: [TR] TR3/TR4 block drain valve? 

The block drain valve is the same as the radiator drain valve (or 
should be) and you can get a much better look at that one. I recall it 
being substantial enough that it should come out without much trouble 
but the usual "proceed with caution" applies. I think it is more 
likely that the drain lever will be stuck. It is a taper held in the 
body with a spring, washer and cotter pin. You may be able to tap it 
from underneath and free it. Removing the valve from the block 
provides a larger hole for the crud to come out and you can bend a 
stiff wire (coat hanger) to loosen the crud towards the rear of #4 
cylinder. As usual, been there, done that. 

Allen 
On May 19, 2013, at 2:00 PM, triumphs-request at autox.team.net wrote: 

> How sturdy are the block drain valves? The one on my TR4 is 
> clogged. I've 
> been hesitant to remove it, fearing that it would crumble into 
> pieces and 
> screw up the threads. Too many bad adventures with home plumbing 
> have left 
> me gun shy. 

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