Great video, however I'vegot a problem with my recon motor. I have a 1981 TR7 DHC and now the 'Normal' and 'High' speed works properly, the problem is that I cannot switch them off unless I turn off the ignition. To be clear, the 'off' switch and 'intermittent wipe' do not operate whilst the normal and high speed do. Is my problem with the column switch or, maybe, the Lucas 6DA wiper control unit?
It sounds more like a problem with the park switch (on the side of the motor, part of the plastic plug assembly). Unfortunately you can't get replacements as far as I know, but there's a good chance it just needs adjusting or cleaning up. That said, I'm not familiar with the later switch layout or the intermittent wipe controller, the earlier cars didn't have that.
I rebuilt my 76 TR7's original wiper motor and gearbox, and had one hell of a time getting it all back together because of the spring-loaded brushes. The repair manual suggests using bent wires to hold each one back, which works if you're very careful, but it took several tries because one or more of them kept popping out. You don't seem to have had this problem with the 14W brushes, and I can see they're completely different in design. My car's cable and tubes are still not right, there's a slight kink that creates a surprising amount of friction as the motor pushes and pulls it through the tubes, which gives slow wiper motion. I guess I'm going to have to do that part over again.
Yes, there's a knack to the brushes! As far as I can tell the 16W brushes are no longer available, but with a bit of playing about with some spacers and longer bolts I made it work with the much more readily available 14W brushes.
I learnt the spring loaded brushes can be held in place by glueing some pieces of masking- or duct tape on top so brush wires can't move and brushes stay spring loaded in their holders. Once in place easy to pull off the tape.
Lithium grease. My research showed that to be as good as any other, although there's no definitive answer I could find. It seems to work, but time will tell!
Great video. Helped me to hopefully repair my rear wiper motor. Have just ordered some replacement parts.
Thanks for these videos! Greatly helps with my tr7 project.
It's always good to hear things like this! Glad I can help.
Great video, however I'vegot a problem with my recon motor. I have a 1981 TR7 DHC and now the 'Normal' and 'High' speed works properly, the problem is that I cannot switch them off unless I turn off the ignition. To be clear, the 'off' switch and 'intermittent wipe' do not operate whilst the normal and high speed do. Is my problem with the column switch or, maybe, the Lucas 6DA wiper control unit?
It sounds more like a problem with the park switch (on the side of the motor, part of the plastic plug assembly). Unfortunately you can't get replacements as far as I know, but there's a good chance it just needs adjusting or cleaning up.
That said, I'm not familiar with the later switch layout or the intermittent wipe controller, the earlier cars didn't have that.
What grease and oil did you use to lubricate the motor and drive for the wiper arms ?
I used lithium grease. Seems to work well so far, time will tell though.
I rebuilt my 76 TR7's original wiper motor and gearbox, and had one hell of a time getting it all back together because of the spring-loaded brushes. The repair manual suggests using bent wires to hold each one back, which works if you're very careful, but it took several tries because one or more of them kept popping out. You don't seem to have had this problem with the 14W brushes, and I can see they're completely different in design. My car's cable and tubes are still not right, there's a slight kink that creates a surprising amount of friction as the motor pushes and pulls it through the tubes, which gives slow wiper motion. I guess I'm going to have to do that part over again.
Yes, there's a knack to the brushes! As far as I can tell the 16W brushes are no longer available, but with a bit of playing about with some spacers and longer bolts I made it work with the much more readily available 14W brushes.
I learnt the spring loaded brushes can be held in place by glueing some pieces of masking- or duct tape on top so brush wires can't move and brushes stay spring loaded in their holders. Once in place easy to pull off the tape.
What grease did you use inside the tubes? There’s a lot of drag in there…. All your videos very helpful. Thx
Lithium grease. My research showed that to be as good as any other, although there's no definitive answer I could find. It seems to work, but time will tell!
what size hose did you use for the washer motor?
It's 3/16" (5mm) for the washer hoses.
Is this the same motor and parts as a 1979 tr7?
It should be, yes - I don't think they changed the setup at all throughout the model range.