Grahamgl Posted April 4, 2022 Report Share Posted April 4, 2022 Gentlemen, After the demise of the Kenlowe fan controller I decided to fit the stainless steel water return pipe with a welded on boss for a Thermo switch. I installed the new water return pipe with the thermo switch installed in it using new silicone hoses and the electrical wires installed. Now it is installed the boss/ thermo switch sit very close to the rack mount which means that it will be impossible in the future to remove the wires or change the switch without removing pipe and hoses from the car. My question is was the boss on my return pipe welded in the “ normal” position or was I supplied with a poorly made part. Thanks in advance. Graham Quote Link to post Share on other sites
Drewmotty Posted April 4, 2022 Report Share Posted April 4, 2022 ………or did you fit it upside down? Quote Link to post Share on other sites
rcreweread Posted April 4, 2022 Report Share Posted April 4, 2022 I think there may be two different downpipes to cater for the two different positions of the bottom radiator outlet - one is tight in the RH corner, the other is about 3 inches further in. Cheers Rich Quote Link to post Share on other sites
Grahamgl Posted April 4, 2022 Author Report Share Posted April 4, 2022 Andrew, I fitted it with the short end( after the bend) at the bottom, was this wrong? Graham Quote Link to post Share on other sites
ianc Posted April 4, 2022 Report Share Posted April 4, 2022 I went to the garage and had a look at my TR4. The return from the bottom of the radiator is on the left of the radiator, looking towards the front of the car. The return passes through a hose with a bend (less than 90 degrees), then rises into the metal pipe, which has a bend at its bottom end. This places the boss for the thermostat facing towards the centre of the car, between the cross tube (connecting the suspension turrets) and the timing cover on the front of the engine. In this position, the terminals on the thermostat are accessible. Hope this helps. Ian Cornish Quote Link to post Share on other sites
Quicksilver Posted April 4, 2022 Report Share Posted April 4, 2022 just a quick look under the bonnet Marcel Quote Link to post Share on other sites
ianc Posted April 5, 2022 Report Share Posted April 5, 2022 Well done, Marcel - that's very helpful and much as mine looks, albeit with narrow pulleys and belt. Ian Cornish Quote Link to post Share on other sites
Ian Vincent Posted April 5, 2022 Report Share Posted April 5, 2022 On mine the boss is turned slightly more towards the front on the car so that is at approximately 45 degrees, but otherwise very similar. Rgds Ian Quote Link to post Share on other sites
Andy Moltu Posted April 5, 2022 Report Share Posted April 5, 2022 I'm not sure the exact location of the boss is considered to be critical by the manufacurers and I have seen them quite a few degrees different on some pipes. Poor quality control! The pictures Marcel has uploaded are where it should go. There is a bit of wiggle room depending how far the flexible hoses are pushed on and oriented before the jubilee clips are tightened. Quote Link to post Share on other sites
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