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I found this at a Costco, (in Carlsbad Costco while we were there):

https://www.costco.com/duracell-4-amp-battery-charger-and-maintainer.product.100479359.html

I guess you might be somewhat local if you need my membership, let me know. It’s good to have to keep your battery healthy. I use a Schumacher 1.5A unit but Walmart stopped selling them. The DRL I installed in the iQ will flash on and off if I keep a maintainer on the battery, so I have to disconnect the negative cable if I want to use one.

I’ve been driving the iQ as our other car is waiting for parts to be repaired. (Sigh)....

185/60R16, 185/55R16, or some other 185?
 

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Thanks for the info. I do have a couple of Deltran battery tenders.

The bad thing about car batteries is that they can die without any warnings. I took my bad (IQ) battery to the local Costco and for some unknown reasons, none of the local Costco's had the battery in stock. The guy told me to go to the Interstate store in Alhambra for that over priced ($155) battery. The Interstate guy said the battery is a better battery than the ones from Costco, but I'd rather save $60 :mad:

As for the tires, I'd just go one size wider (185/60 vs 175/60) to have more options and lower price. It'd be 6 mm taller and maybe a couple of lbs heavier... probably negligible in performance.

I found this at a Costco, (in Carlsbad Costco while we were there):

https://www.costco.com/duracell-4-amp-battery-charger-and-maintainer.product.100479359.html

I guess you might be somewhat local if you need my membership, let me know. It’s good to have to keep your battery healthy. I use a Schumacher 1.5A unit but Walmart stopped selling them. The DRL I installed in the iQ will flash on and off if I keep a maintainer on the battery, so I have to disconnect the negative cable if I want to use one.

I’ve been driving the iQ as our other car is waiting for parts to be repaired. (Sigh)....

185/60R16, 185/55R16, or some other 185?
 

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2014 Scion iQ
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Thanks for the info. I do have a couple of Deltran battery tenders.

The bad thing about car batteries is that they can die without any warnings. I took my bad (IQ) battery to the local Costco and for some unknown reasons, none of the local Costco's had the battery in stock. The guy told me to go to the Interstate store in Alhambra for that over priced ($155) battery. The Interstate guy said the battery is a better battery than the ones from Costco, but I'd rather save $60 :mad:

As for the tires, I'd just go one size wider (185/60 vs 175/60) to have more options and lower price. It'd be 6 mm taller and maybe a couple of lbs heavier... probably negligible in performance.
The Deltran I got once, BMW branded, was dead on arrival. I was scared to buy one again. I did not even take their offer for a discount to replace it. (I figured out it was broken beyond the warranty end).

I have similar experience to you with Schumacher 1.5 A battery maintainers. Once in a long while all of a sudden I’d get a dead battery. So far changing to a higher model or different brand charger altogether seems to be working.

I haven’t ordered the remaining parts yet for the brakes. I don’t want to regret missing something to order at the same time. Shipping is around $50 for what I have placed in the shopping cart so far.

So far the tires have held up. When my son has a cello lesson I have to fold down the two right seats and he sits behind me with the cello on the right side of the car. We fit but it’s somewhat cramped,and I realize combined we add about 300 lbs to the left side of the car, which doesn’t help the tires. I’ll look at what’s available in size 185/60, thanks for the tip!
 

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I bought batteries from Walmart before ... decent price. I have recently replaced the batteries on all my cars, all from Costco except that overpriced one for the IQ. Guess I am good for another 3 to 4 years.

I've used Deltran (1.5A and 0.75A) for over 10 years without any issues. They were very popular, but not sure if they are still as good. They appeared to be branded as 'battery tender' now.

Walmart/Sam’s Club also sell batteries next time you need one, maybe give them a look....
 

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Wanted to update my parts collection that I am about to order. Since I got PowerFlex bushings that should fit I'm going to skip ordering those.

Some are repeat but others are not, I missed some again. I am ordering double the amount necessary on most parts as they a cheaper from Japan AND some are not available in the US, as they aren't on any US bound vehicles.

46430-74021 - parking brake cable no 3 x 1
46420-74021 - parking brake cable no 4 x 1
90468-08035 - one time use clips x 12
17451-23042 - exhaust gasket (much cheaper from Japan) x 2
47389-50020 - brake union bolt gasket (copper ones came with my DuraLast calipers but I notice these are silver color so I ordered them, not as expensive from Japan I assume, one needed on each side) x 4
90947-02F96 - brake hose no 2 (both sides are the same, need 2, not available in US verified via parts.toyota.com) x 4
90105-10404 - bolt to mount caliper to axle (I did not see them included with the calipers, need 4) x 8
90501-35035 - exhaust pipe spring (instructions note to check unloaded length, if short, replace, 2 are on the car, unverified length, you need to lower/remove back section of exhaust and replace the gasket, then verify these two springs are reusable or not) x 4

I got a whole bunch of metal brake pad clips, but no rebound springs. I'll post this first just in case Tapatalk crashes, then post about the issue. I have a question about sourcing them.

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On some calipers there is a metal wire that holds the pads, and I guess pushes them outwards after you press the brakes so the pads don't drag against the rotors. I do not see them on the diagram for the iQ. Does that mean it's not needed for this model? I saw them on a diagram when searching for part numbers manually...


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Since the iQ diagrams do not have the spring/wire, I did not order any. Order placed. I hope I will have everything needed by next week or the week after when these parts are to arrive...

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Interesting build! Makes me wonder if it makes sense to source a used rear axle and rebuild as necessary, like this one https://dalys.lt/en/autoparts/toyota/iq-j1-1-0-50-kw/rear-axle/1766795
Here in the USA no iQs came with rear disc brakes. So if I go to a Toyota/Scion parts department I can not order the disc brake axle, nor a few associated parts. There is a specialized store that sells the axle for $1500 last time I checked. It was cheaper to buy from Amayama in Japan even after shipping cost. Shipping that large used piece, if unlucky then find it damaged, was a risk that I did not want to take.

As a note this is not a modification for the weak/faint of heart. Instructions tell of removing seats and the floor liner to get access to and replace the parking brake lines. They are different from the caliper to the front line, where they connect underneath the seats.

Until my other car is stable to use I will not be able to start working on this. The Amayama website says my parts are to arrive at their warehouse on Feb 5. I expect it to ship within a day or two and arrive in a few days from past experience with the axle.

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Here in the USA no iQs came with rear disc brakes. So if I go to a Toyota/Scion parts department I can not order the disc brake axle, nor a few associated parts. There is a specialized store that sells the axle for $1500 last time I checked. It was cheaper to buy from Amayama in Japan even after shipping cost. Shipping that large used piece, if unlucky then find it damaged, was a risk that I did not want to take.
I realize you can't get it here, but I'm sure you can source one from Europe or Japan with a bit of email exchange. Alternatively, you can find one in Japan if you ever go there again and arrange it shipped. I believe the one in my link is in Latvia, though admittedly you would have to ship on an actual ship to get a reasonable shipping rate, which could be like a month of wait.

I'm mostly going on a limb here based on Mighty Car Mods episodes on youtube where they would buy parts or a whole car (cut in half, checkout their Mira episodes
) in Japan, ship to Australia, and re-assemble in their garage. It seems the company they work with in Japan - Import Monster - is quite accommodating in finding and shipping what they need.
 

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That's the somewhat local source for parts here. . It's roughly an 1 1/2 hour drive from here, 3 if there's terrible traffic.

Amayama ships fast, via EMS. I ordered most items from them, all the Toyota/Scion parts by that matter. The one time use rear axle bushings I got from the UK. The rest local parts stores like PepBoys and AutoZone. (I actually ordered the calipers from AutoZone online with free shipping vs going to the store). I learned from signing up at Toyota Europe Tech Info of all the other parts that I might need. Note to self, get the official repair instructions first, then order parts. It would have saved me one extra shipping of $30 from Japan. (Since I got the PowerFlex axle bushings I did not buy Toyota bushings. Shipping without the bushings dropped from $50 to $30).

Sadly I did not prepare myself well for the trip to get some good pricing on Japanese car parts. We did not maximize the baggage allowance on our flight back. (I would have gotten some Volk Racing CE28 Club Racers for the iQ if I had planned better).

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Thank you for sharing that!

Actually, I'm not 100% sure I got the parts right. The reason is that the Amayama parts diagrams are for RHD. I won't be sure I was correct until I try to install! I have a TRD sway bar (is that the correct term) that I may try to install on the rear axle while I'm doing this. The good thing about their diagrams is that they had both the drum and disc pictures on the same page. It helped me distinguish between parts that are the same for both drum and disc, and the parts that are not, (which I needed to get). What the diagrams do not warn about are those parts that are one time use only. Those you can not reuse so you need to buy new ones. The bushings and the clips that I bought 12 of (but need 6) are the one time use parts that come to mind.

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What the diagrams do not warn about are those parts that are one time use only. Those you can not reuse so you need to buy new ones. The bushings and the clips that I bought 12 of (but need 6) are the one time use parts that come to mind.

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Have to agree, I start most of my projects with a shop manual. European cars are especially guilty of half the hardware being one time use only. IQ’s not too bad, although I have not went nearly as deep yet :)



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Regarding 90947-02F96, looks like I mistakenly reordered them on the 2nd order, so now I have two extra pairs, when I only wanted one extra pair! Argh!!!
 

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Amayama order #2 arrived yesterday. I'm all set to start! Too bad someone closed my tech info pages on the computer. I'm going to need to sign up/pay again...

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Good question. The weather is getting hot so I'm going to be limited to morning and evening unless I feel up to the heat.

I consider myself fortunate to read the lifting document that I pulled from Tech Info:

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.

Sorry about the delay!

First step seems to be touch up paint. You want to cover any points (of damage in transport) on your axle that may be make it prone to rust. I'm going to have to pull the axle out of the box, and find a place I can do this without annoying the wife. I have some flat black touch up paint...

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