Should I be concerned about any of my newly turned brake rotors?
Super Moderator
Joined: Jan 2008
Posts: 15,178
From: PTW
I will answer your question in no particular order.
What is your goal?
Are your short on cash for auto repairs?
I thought you stated you like working on this kind of repair but to what extent?
If rebuilding, add up the cost of parts and your time spent rebuilding, then compare to prices on new/used calipers. It appears one can get new (no core charge) or rebuilt calipers (less core charge) for $60-70.
Some people manage to install a grease fitting and pump grease into force out the piston.
If rebuilding I WOULD use new pistons and forget about doing any clean up on the old ones. Given new pistons would be used, one could get very aggressive with the old ones to remove them it they will not be reused.
NAPA.com appears have what assume is a rebuilt unit for $62 each and free shipping. A lot of third party repair shops use NAPA parts. Is it a good part, who knows but NAPA sells a lot of parts to repair outlets.
Check Rockauto.com for a slew of brands, all rebuilt. Here check the parts with the "heart" next to them as these are the most popular sold.
TRQ has new ones for $144 for a set of 2. Try 1aauto.com. Since new parts, no core charge.
Read up on the core acceptance requirements from the seller. Most times they just want a CORE. Unless the core is obviously damaged beyond repair they don't care. Sometimes the verbiage states they don't care what the condition of the core is.
Per Rockauto on cores: Before returning a core, be sure it is complete, fits the same vehicle application as your new part, and is in the box the replacement part came in. Your core does not need to be working (if it worked, you wouldn't have replaced it) but you will not receive core credit if it is smashed, rusted solid, or otherwise unusable.
The casting mark (crack?) apparently was not an issue until you discovered it. The rebuilder goes onto state they only select the best cores thus some get scraped as part of the inspection process.
Most times buyers don't take the caliper apart to inspect in detail as you did. As such the core when inspected on return would be for overall appearance such as rust and physical damage. Then put into a bin with the units of the same model. If going for a core return put the unit back to together to at least look like it was just taken off and put into the return box.
Speculate that one rebuilt brand is as good as another. RAYBESTOS and ACDELCO are the famous maker names. I might go with either brand but if concerned about a rejected core get a new ones.
Venza is just one model of Toyota. All Toyota's have some commonality.
Unless shipping charges are steep and cheaper with the more you buy suggest doing one repair at time. Finish up the front brakes. Move onto the rears or master cylinder. Shot gunning repairs can result in losing interest and then you have a car that is taken apart.
You can't check the master cylinder until you reinstall the calipers and connect the brake line.
If concerned about rust in the master cylinder bore. If using the brake pedal to flush the system, first determine the normal pedal travel. Put a block under the brake pedal to limit its travel to that of normal travel.
If the brake system has ABS there will be an ABS unit. Turn on ign key and look for an ABS or such icon. Look in the engine compartment for a blocked shaped unit having a LOT of steel brake lines running to it.
If having an ABS unit, DO NOT allow the master cylinder reservoir to run out of fluid when bleeding the brakes of flushing the system. Bleeding the air out an ABS may require a special procedure you may not be able to do without some device that taps into the ODBII system OR will need to learn about how to bypass using the device.
While your are at it, check the master cylinder reservoir for fluid level. Disconnecting the caliper brake line can allow brake fluid to drip out by gravity and drain the reservoir.
Brakes systems can have a proportioning valve that regulates pressure between the front and rear brakes.
Some master cylinders have a setup where its two "cylinders" in one. This way if one system fails the other will still work.
What is your goal?
Are your short on cash for auto repairs?
I thought you stated you like working on this kind of repair but to what extent?
If rebuilding, add up the cost of parts and your time spent rebuilding, then compare to prices on new/used calipers. It appears one can get new (no core charge) or rebuilt calipers (less core charge) for $60-70.
Some people manage to install a grease fitting and pump grease into force out the piston.
If rebuilding I WOULD use new pistons and forget about doing any clean up on the old ones. Given new pistons would be used, one could get very aggressive with the old ones to remove them it they will not be reused.
NAPA.com appears have what assume is a rebuilt unit for $62 each and free shipping. A lot of third party repair shops use NAPA parts. Is it a good part, who knows but NAPA sells a lot of parts to repair outlets.
Check Rockauto.com for a slew of brands, all rebuilt. Here check the parts with the "heart" next to them as these are the most popular sold.
TRQ has new ones for $144 for a set of 2. Try 1aauto.com. Since new parts, no core charge.
Read up on the core acceptance requirements from the seller. Most times they just want a CORE. Unless the core is obviously damaged beyond repair they don't care. Sometimes the verbiage states they don't care what the condition of the core is.
Per Rockauto on cores: Before returning a core, be sure it is complete, fits the same vehicle application as your new part, and is in the box the replacement part came in. Your core does not need to be working (if it worked, you wouldn't have replaced it) but you will not receive core credit if it is smashed, rusted solid, or otherwise unusable.
The casting mark (crack?) apparently was not an issue until you discovered it. The rebuilder goes onto state they only select the best cores thus some get scraped as part of the inspection process.
Most times buyers don't take the caliper apart to inspect in detail as you did. As such the core when inspected on return would be for overall appearance such as rust and physical damage. Then put into a bin with the units of the same model. If going for a core return put the unit back to together to at least look like it was just taken off and put into the return box.
Speculate that one rebuilt brand is as good as another. RAYBESTOS and ACDELCO are the famous maker names. I might go with either brand but if concerned about a rejected core get a new ones.
Venza is just one model of Toyota. All Toyota's have some commonality.
Unless shipping charges are steep and cheaper with the more you buy suggest doing one repair at time. Finish up the front brakes. Move onto the rears or master cylinder. Shot gunning repairs can result in losing interest and then you have a car that is taken apart.
You can't check the master cylinder until you reinstall the calipers and connect the brake line.
If concerned about rust in the master cylinder bore. If using the brake pedal to flush the system, first determine the normal pedal travel. Put a block under the brake pedal to limit its travel to that of normal travel.
If the brake system has ABS there will be an ABS unit. Turn on ign key and look for an ABS or such icon. Look in the engine compartment for a blocked shaped unit having a LOT of steel brake lines running to it.
If having an ABS unit, DO NOT allow the master cylinder reservoir to run out of fluid when bleeding the brakes of flushing the system. Bleeding the air out an ABS may require a special procedure you may not be able to do without some device that taps into the ODBII system OR will need to learn about how to bypass using the device.
While your are at it, check the master cylinder reservoir for fluid level. Disconnecting the caliper brake line can allow brake fluid to drip out by gravity and drain the reservoir.
Brakes systems can have a proportioning valve that regulates pressure between the front and rear brakes.
Some master cylinders have a setup where its two "cylinders" in one. This way if one system fails the other will still work.
Thread Starter
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Junior Member
Joined: Mar 2022
Posts: 19
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My son fractured both elbows on Friday. He's home now, but he and I will be returning to Blacksburg tomorrow and I will probably stay in Blacksburg for a week or two. I will try not to be a ghost.
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My son fractured both elbows on Friday. He's home now, but he and I will be returning to Blacksburg tomorrow and I will probably stay in Blacksburg for a week or two. I will try not to be a ghost.
.
.
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