Fuel gauge on 135

lstra

Member
I bought a used 135, the fuel gauge did not work, so I ordered a sending unit from this site. The needle on gauge woul stick in places, if bumped gauge it would register correct. It showed pretty accurately
amount of fuel in tank. I ordered a gauge from internet vendor, that gauge shows little less than 1/4 full when tank is 1/2 full. Can I bend float stem to make it show more correctly? All the gauges shown by
different vendors all look same, same writing on face, 240 ohms. Only thing different is price.
 

I don't see a problem with bending the float arm as long as you have full travel. Due to the lack of internal baffling in the tanks its probably going to swing around 1/4 tank or so when it gets to moving anyways.

I had to do this on an old jeep and the best thing you can say about that gauge is that if it didn't swing you'd better be looking for gas. Thats when it was going down the road.
 
(quoted from post at 19:28:47 08/04/20) I bought a used 135, the fuel gauge did not work, so I ordered a sending unit from this site. The needle on gauge woul stick in places, if bumped gauge it would register correct. It showed pretty accurately
amount of fuel in tank. I ordered a gauge from internet vendor, that gauge shows little less than 1/4 full when tank is 1/2 full. Can I bend float stem to make it show more correctly? All the gauges shown by
different vendors all look same, same writing on face, 240 ohms. Only thing different is price.

You're lucky you didn't burn out the gauge or the fuel sending unit. There are a ton of different ohm pairings. I had to use an adjustable (by cutting the rod on the float) gauge meant for a 165, in my 135. I have a factory 1964 fuel gauge and it says 220 ohms I believe. You can test the sender and the gauge with an ohm meter.

Or the easy way is to take an alligator clip and hook it to ground, on the fuel tank or somewhere else. Hook to the correct post on the gauge and it should peg to full.

You also need to know how deep your tank is, I believe they are 6" or 9". Nobody sells the correct one for 6" tanks except for AGCO, including this site. So, if you have a small tank, it will never work right.
 

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