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Garage / Re: Brake switch PSI ?
« Last post by Clifton on Today at 03:36:35 AM »
The gas pedal :headbanger:  These Toyota DBW pedal are horrible and when in a light car, even worse.  To make it driveable under 30% throttle, I had to extend the arm more then I had to stiffen it to make it feel normal like our other cars. The shocks have thick RC silicone oil and add some resistance and slow the input like a cable. I have an adjustable oil damper to slow the closing on decel when I lift the throttle. It engages at 35%. It was the only way to be smooth going from the quick lift of gas to brake in autocross without the back wanting to come around.
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Off Topic Subjects / Advanced English
« Last post by dakazman on Today at 02:24:11 AM »
   Self explanatory 😂
D’man
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Garage / Re: 5 speed leak
« Last post by 4129R on Friday,May 03, 2024, 11:27:33 PM »
I think there was a quote from Colin Chapman "If it didn't leak oil from somewhere, it would not be a Lotus.

L eaks
O il
T hrough
U nusual
S ources.
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Garage / Re: 5 speed leak
« Last post by GavinT on Friday,May 03, 2024, 10:21:41 PM »
rjbaren,

Check the side to side play of the shaft. The seal won't tolerate much play without leaking.

Case joint leaks are less common. I wonder if you couldn't create a temporary plasticine dam under the transmission so as to form a barrier where the oil will drop straight down from the shaft and not migrate back under the gearbox? Just a thought.
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Garage / Re: Brake switch PSI ?
« Last post by dakazman on Friday,May 03, 2024, 04:40:23 PM »
 Impressive work.
  I now understand the extension on the gas pedal.  I also didn’t realize all the small intricacies in the three.
 
Dakazman
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Garage / Re: 1970 s2 0453R Reassembly
« Last post by dakazman on Friday,May 03, 2024, 04:13:52 PM »
  I’m learning how to cut time off working behind the facia, or dashboard. By leaving the column bolted to the facia and just removing the 4 screws on the facia and the two side bolts thru door jambs. Also the console and bottom ground bolts 2ea. The access to the gauges is very easy.
  All this for an oil leak at the pressure gauge and since my fuel gauge wasn’t working I found the problem after probing wiring.  My sender has Three connectors, two large spade connectors and a smaller spade .  Not remembering what I used to repair the unit when I received it new I just connected it to the larger spade. I swapped to the smaller spade on the sender and up came the needle on the gauge.
 Then I started the car and had RPM, oil and a working fuel gauge.
  Tomorrow I’m going to remove the LED instrument lights and go back to the original ones. A lot of work but well worth it.
DMAN

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Garage / Re: Brake switch PSI ?
« Last post by Clifton on Friday,May 03, 2024, 04:11:22 PM »
Switch is in. Bottom pivot pedals make it harder so I mounted it on the pedal. I drilled the brake and clutch arms previously and luckily the holes lined up.
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Garage / Re: 5 speed leak
« Last post by BDA on Friday,May 03, 2024, 01:48:18 PM »
One would hope it's not leaking from the case joint!!! Of course, that's always possible. It's very common to leak from the control shaft where shift inputs enter the case.

If your tranny is leaking from the finned adjusting nut, there are instructions elsewhere that describe how to replace the seal or o-ring. If it is the o-ring, one method that I don't think anybody has mentioned is to smear Hylomar on the threads. When I rebuilt my NG3, I ordered some new o-rings and got the wrong size  :(. My o-rings were probably just find as I hadn't had any leaks there but I figured the Hylomar would make double dog sure it wouldn't leak from the threads. Before loosening the finned nut, mark its position relative to the case and count the number of turns to take it off so you can get it back to the same orientation. Do one side at a time. Actually, I think snugging the finned nut will be all you really need to know but it's best to mark and count the turns.
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Garage / Re: 5 speed leak
« Last post by FourLoti on Friday,May 03, 2024, 01:16:11 PM »
No experience with case seam leaks, but my 5-speed was leaking from two (3) sources. First, the speedometer cable drive gear fitting, and the other two were the left and right driveshaft output seals/o-rings. Seema as if any of those could have been disturbed or maladjusted in a rebuild?

Maybe hose off the box with a can of brake cleaner and then wait to see where the next drip(s) come from? They make UV detection dye that is supposed to be compatible with gear lube, but hopefully it will be obvious based on where the spots develop on the cardboard.

Ron
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Garage / 5 speed leak
« Last post by rjbaren on Friday,May 03, 2024, 12:10:49 PM »
My twin cam special 5 speed has a drip from the trans.  It was rebuilt by a Lotus dealer and has since covered 1500 miles.  I have replaced the rear seal on the shifter rod twice and the second time I used a 1mm smaller bore seal and it made no difference.  I top up the fluis every month or two and I keep cardboard under the car to soak up the gear lube.

Is there a chance the trans is leaking from the joint in the case where the left and right halves meet? 
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