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08-26-2020, 10:28 AM | #1 |
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BRZ Oil Control Valve Assembly Issue
I see here:
https://www.ft86club.com/forums/atta...1&d=1528082990 that Subaru recognizes that there is an issue with the cam timing oil control solenoid valves leaking through the internal seal, and has offered upgraded assemblies with new part numbers to replace the old ones, but I can’t find anywhere that Toyota had addressed this problem at all. I can’t seem to find a Toyota TSB on this. Am I missing something here? I’ve checked the part numbers of the solenoid valves on my engine, and mine are definitely the old part number. I would like to be pro-active on this and just replace them myself all at once BEFORE they start leaking, but if Toyota doesn’t recognize there is a problem, would they even have the new valves available? Should I just go to the local Subaru dealer and specify ones for a 2015 BRZ instead? I know for a fact that parts purchased from Subaru are a little more than half of what they would be if I purchase them from Toyota (at least SOME parts are anyways), so I would probably be doing myself a favor in this regard. Any thoughts on this? |
08-26-2020, 11:40 AM | #2 |
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The OCV is a very easy R&R. If it is not an issue I wouldn't worry about it and just use the updated parts IF the time ever comes.
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08-26-2020, 12:03 PM | #3 | |
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Quote:
Edit: After checking all four solenoids for oil leaking just now, I found one of them with oil on the inside of the plug which is a tell-tale sign of the fault with these parts. As the oil has already began to leak into the electrical section, and I have yet to have any fault codes appear, I've caught it in time before it has had a chance to cause complete failure. They're all going to get replaced ASAP. Last edited by FR-S2GT86; 08-26-2020 at 12:31 PM. |
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08-26-2020, 05:25 PM | #4 |
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It sounds like you are reading and looking for problems that MIGHT happen. Drive the car and enjoy it. If something really goes wrong fix it, a little oil will not hurt a thing.
You could read about every problem that has happened to members of this group and never drive the car again. |
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08-26-2020, 11:19 PM | #5 | |
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Of course I won’t be replacing any valve springs just for the sake of upgrading them, but I will definitely take care of minor, easy-to-fix issues before they become major ones. |
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09-12-2020, 03:47 AM | #6 |
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Update:
Replaced all four VVT oil control solenoids last week. Remove the air cleaner assembly. Unplug the connector from the solenoid body. Remove two bolts from each side. Pull the old solenoid straight out. Transfer the plastic spacer from the old part to the new one. Install a new O-ring on top of the spacer. Insert the new solenoid. Reinstall the two bolts. (Added some anti-seize compound to the threads of each bolt first.) Torque to specification of 57 inch-pounds. Reconnect plug to new solenoid body. Repeat procedure for the three remaining solenoids. Reinstall air cleaner assembly. I had one of the solenoids leaking oil out of its electrical connector, so that one connector got some electrical parts cleaner sprayed into it before I reconnected it. No more leaks and peace of mind of a job well done. |
09-12-2020, 01:48 PM | #7 | |
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Quote:
Did you take a pic of the solenoid with the oil I it ? Curious to see how it looks Sent from my iPhone using Tapatalk |
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09-12-2020, 01:59 PM | #8 |
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I will in the next few days. Gotta dig it out. There’s really not much to see though. You’ll see a black oily residue on the electrical terminals of both the male and female connectors and most likely some dust and dirt buildup as you would around any oil leak. That’s the sign you’ll be looking for.
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09-14-2020, 12:16 PM | #9 |
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Here's a picture of all four. See if you can guess which one was leaking.
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09-15-2020, 12:00 AM | #10 |
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Hey guys, I have had the same issue on my 2015 FR-S that I recently bought used. After one spirited driving last week, it threw a CEL+Slip light on, and I scanned and found the P000C code, which says slow response on the driver side intake. I did the battery trick to delete code couple times to see if it's just a rare hiccup, but it always came back. The symptoms included a fluctuating idle and slightly different throttle response since it's related to the intake cam I guess. The problem gave me a nightmare as it had been purchased within a week and gave me a problem.
I took out the solenoid unit, cleaned it with a brake cleaner and on the connector which had some oils sipped in it. After this remedy and battery reset (unplugging and plugging back in), it hasn't had thrown the code at all and the idle sits at 650 without fluctuating like before. Even after another spirited driving, it's been fine for the last couple days. While I ordered a solenoid, o ring and the backup ring, I checked the other solenoids, and a couple others had a similar leak but not as severe as the one I cleaned up. Hopefully the one I ordered was manufactured after the date mentioned in the document. Since I used the Toyota part number, it was SU00307806. Sorry for no pictures. I didn't take them when I cleaned them. |
09-15-2020, 01:09 AM | #11 | |
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Quote:
Just make sure to clean the electrical plugs with electrical parts cleaner before you connect them back up. The TSB actually tells you to replace the plug as well if it has oil in it, but I don’t think that’s absolutely necessary as long as you can get all the oil out with the cleaner. |
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09-15-2020, 01:17 AM | #12 | |
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Quote:
I cleaned the connector with a brake cleaner, only to realize I should have used an electrical cleaner. Well I cleaned all the oil anyways, so hope that's good for now. It hasn't given me CEL back, so I'm relieved a big time. Thank you for your comment. |
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09-15-2020, 01:31 AM | #13 | |
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06-01-2021, 12:33 PM | #14 | |
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If so, perhaps this may be a consumable item..... I ordered all 4 to be safe. Cheers, Lutfy
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