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2012 CRV EXL AWD
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Discussion Starter · #1 ·
2012 CRV. I noticed on the rear calipers there is an additional large bolt adjacent to the bleeder screw that I am curious what its function is. It has an extended bolt head maybe an inch or so long. It is stamped "B" in the caliper and the bleed screw has a stamped "A" identifier. I'm thinking maybe its a port for flushing out the brake?? Really sucks that Honda doesnt make service books available any more for reasonable price.
 

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Do take the time to post a photo, be a lot easier to answe r the uestion
 

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@13CRVEXLKC Lets see if @gfriedman99 can show a photo of his actual car. appreciate the aftermarket calipar shot if it is one (WINK)
 

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No its an actual Honda rear caliper. Part 43018-T0g-A01
thank you, go with what was told just wanted to make sure the right part is shown
 

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does not matter what car, its best to post a photo of the car part we're talking about.
 

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2007 CRV AWD
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Well the bleeder screw needs to be on top in order to get the air out
So if this is one of those calipers that can be used on the left or right side
Then all it takes is to swap the screw with the bolt.
Which ever way makes the bleeder screw on top when installed
You can check to see if it says it is a right or left caliper
Or does it just say a proper fit for your vehicle??
 

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2012 CRV EXL AWD
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Discussion Starter · #13 ·
Well the bleeder screw needs to be on top in order to get the air out
So if this is one of those calipers that can be used on the left or right side
Then all it takes is to swap the screw with the bolt.
Which ever way makes the bleeder screw on top when installed
You can check to see if it says it is a right or left caliper
Or does it just say a proper fit for your vehicle??
We have a winner!!

That makes perfect sense. The retaining nubs for the hose are on both sides too so the line is held secure if its used for LH or RH as well. Honda has 2 different part # for L and R 43018-T0g-A01 and 43019-T0g-A01 but its the same part with just those 2 bleed screws swapped. I guess they don't trust the mechanic to swap them.
 

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2007 CRV AWD
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That would certainly save money in manufacturing.
Make one part for two places on the vehicle
 

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2012 CRV EXL AWD
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Discussion Starter · #15 ·
That would certainly save money in manufacturing.
Make one part for two places on the vehicle
It's more complicated since the top and bottom pins are actually different. So those would have to be removed and swapped around. And if that is the case, the bracket may be different for L and R to accommodate the different pins.
 

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It's more complicated since the top and bottom pins are actually different. So those would have to be removed and swapped around. And if that is the case, the bracket may be different for L and R to accommodate the different pins.
Different pins , agreed. Same size holes, I think cause it saves on cost.
And assembly is not a big issue when making left and right by swapping positions of a few pins and screws.
 

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2012 CRV EXL AWD
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Discussion Starter · #17 ·
Different pins , agreed. Same size holes, I think cause it saves on cost.
And assembly is not a big issue when making left and right by swapping positions of a few pins and screws.
I am trying to figure out why the top pins have those flats machined into them. Especially if the holes in the bracket are round and not mated to the pins. Is there some proper orientation then for the flats then or it doesn't matter how they sit in the hole?
 

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Simple answer, I do not know.
Googled and there are lots of theories
One is the rubber on the pin is an anti-rattle device
The flats are there is make sure the pins have a better chance of not seizing up
Do not know if it helps. Or why manufacturers do this.
 

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Discussion Starter · #19 ·
Simple answer, I do not know.
Googled and there are lots of theories
One is the rubber on the pin is an anti-rattle device
The flats are there is make sure the pins have a better chance of not seizing up
Do not know if it helps. Or why manufacturers do this.
OK thanks. The seizing up theory makes sense except if that were the case then why not have flats on both pins if it helps prevent seizing. Ah the mysteries of Honda.....
 
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