[maksym]

Apparently there's a science to lifting the tiny car with such weight bearing work to be done. You will be shifting a good amount of center of mass when you remove the axle, so have to choose the appropriate support points. I have yet to figure out where in the driveway to set up. I'm really spoiled with regards to driveway space but I've taken up a lot of it over the years. I have a spot in mind where it won't block much but I'm a little worried I might be cramped there.

Good point. Since you know the weight of the new axle (it's probably stamped on the box) - can't you add about the same weight into the trunk? A few bags of sand or weights or one mother in law should do fine. People sell weights for cheap on craiglist all the time.

Putting a jack under the cross-member probably would not hurt either.

 

[jzchen]

Thanks!

I was thinking of leaving the front wheels on ramps but I think I didn't use them on oil changes because the front mudguard would scrape on the way up. I wouldn't be able to rotate tires but save me a little worry. (I don't have the weight of the axle readily available). There appear to be more forward points available than the pinch weld spots on the side, I may use those and take a pic. Not sure what Toyota was thinking with the rear pinch weld spots. Deceptively looks like the shorter of the two would be correct but seems it is opposite. Will snap a pic of that as well...

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[maksym]

Thanks!

I was thinking of leaving the front wheels on ramps but I think I didn't use them on oil changes because the front mudguard would scrape on the way up. I wouldn't be able to rotate tires but save me a little worry. (I don't have the weight of the axle readily available). There appear to be more forward points available than the pinch weld spots on the side, I may use those and take a pic. Not sure what Toyota was thinking with the rear pinch weld spots. Deceptively looks like the shorter of the two would be correct but seems it is opposite. Will snap a pic of that as well...

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You can lift the car with the jack and slip in the ramps under the wheels (there are RaceRamps with a smaller approach angle, but they are pretty expensive). The front lifting point is a bump on the cross member - user manual has a picture. There are two more points on the control arms - dig up installation manual for the TRD rear sway bar, it has a diagram with all 8 lifting points and a center of gravity.

Another option to maintain the balance is to put a jack under the oil pan.

 

[tristor]

@jzchen:

Any updates on how this went in the last couple of months? I'm interested in potentially doing this myself. I hate having drums in the rear and servicing them, would rather have four wheel disc.

 

[jzchen]

Haven't gotten a chance to work on it. I am sorry about the delay.

Will update as soon as I get the chance to start. As a heads up/warning it was a challenge to source the dust shields. (I mention where I finally found them somewhere here on this forum, (I believe a Russian or Ukrainian company that had stock, but I think they were discontinued from Toyota/Scion). If you care about that try to source those first...

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[tristor]

Thanks for the update @jzchen. I'm going to keep an eye on your progress and see how it goes before I go deep. I'm already in a few grand on just replacing things on the car for maintenance reasons, so I figure I'll wait a bit before going in on this. But I like your plan and I think based on my reading that this should theoretically work.

 

[jzchen]

Okay. This is depressing this is 3 years old in the making. Regarding the Duracell charger I went to my iQ one day and my 46B24R AGM with JIS to SAE adapters was dead. I have switched to a waterproof magnetic 3 or 4 A unit from Walmart....

 

[maksym]

Okay. This is depressing this is 3 years old in the making. Regarding the Duracell charger I went to my iQ one day and my 46B24R AGM with JIS to SAE adapters was dead. I have switched to a waterproof magnetic 3 or 4 A unit from Walmart....

Meh, 3 covid years equal one normal. Took me a year to change the clutch on my Audi. And I ended up messing it up, having to pay a mechanic cause I could not bring myself to do it for the 3rd time. My IQ battery started dying after installing the interior light kit and my mirror / dashcam mod. I was going to look into it (almost sure it’s the light kit) but figured screw it and just installed a battery disconnect I think I'm still on the original battery.