brenda Posted December 7, 2019 Report Share Posted December 7, 2019 Just had our 3rd run after fitting the interior back in after a gearbox/overdrive rebuild, all was fine on the out ward run testing the overdrive all working fantastic, started back and the overdrive would not work. Got home and checked the oil first all ok. The relay under the bonnet is clicking but solid not operating, but if you push it up by hand it holds in. flick the switch and it drops out ideas welcome thanks. Mike Redrose group Quote Link to post Share on other sites
Chilliman Posted December 7, 2019 Report Share Posted December 7, 2019 Check the setting for the solenoid lever....arm may be not be tight on the spindle Quote Link to post Share on other sites
Hamish Posted December 7, 2019 Report Share Posted December 7, 2019 Mike test the relay mine clicked but the electrickery didn’t flow as it should and the solenoid didn’t know it should work. After that check the wires. You need someone who knows electrickery. Quote Link to post Share on other sites
Hamish Posted December 7, 2019 Report Share Posted December 7, 2019 (edited) Only trying to help a fellow TR’er. Edited December 7, 2019 by Hamish Quote Link to post Share on other sites
ChrisR-4A Posted December 7, 2019 Report Share Posted December 7, 2019 (edited) 1 hour ago, brenda said: Just had our 3rd run after fitting the interior back in after a gearbox/overdrive rebuild, all was fine on the out ward run testing the overdrive all working fantastic, started back and the overdrive would not work. Got home and checked the oil first all ok. The relay under the bonnet is clicking but solid not operating, but if you push it up by hand it holds in. flick the switch and it drops out ideas welcome thanks. Mike Redrose group Mike, check the adjustment of the operating lever first it does need a small amount of play, more than spec rather than none to operate; also did you have any additional electrical load, ie: lights on for return journey. On a 4A all the power goes through the ammeter and if the wires on the back of the ammeter are not making good contact then not enough current will pass to operate the solenoid. Also check the rubber cover is not binding, add bit of grease to solenoid shaft. Chris Edited December 7, 2019 by ChrisR-4A Quote Link to post Share on other sites
Graham Harris Posted December 8, 2019 Report Share Posted December 8, 2019 The solenoid piston needs to be high enough so the elctromagnet can pull it up when you engage the OD, there should be an adjuster under it to stop it dropping too far and being out of range. Graham Quote Link to post Share on other sites
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