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Engine, Exhaust, Transmission Discuss the FR-S | 86 | BRZ engine, exhaust and drivetrain.


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Old 08-04-2016, 12:37 PM   #169
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Im changing coil pack A (cilinder 1, passanger front side), you can do the right side by removing the unit on top of it (3 bolts, dont need to disconnect it, just place it aside) and then with a ratchet you can reach them. Driver side rear one is silly easy, you can do it without taking anything off, I dont know for driver front one tho.

On a side note, relating to OP. Close to 30k miles, 4 years and around 20 track days (2-3 hours of track time per day), my very first problem just poped up last week, which is the coil pack im replacing today. There arent many cars that can take a beating like that. its my daily drive btw, and I use it on winter, I just dont have too much road to get to work but it has seen its fair share of 2feet+ snowtorms (fun times drifting on the snow, best car I've had for it so far).
That one took me as long as the other 3 combined. Spent so much time fighting it before I gave it and just loosened the engine mounts to jack it uo a few inches for extra clearance. Did it when replacing spark plugs. The coil pack itself was so bad
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Old 08-04-2016, 12:39 PM   #170
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Interdasting... Three of your four links are from the same source 'Warranty Direct' a UK company offering extended warranties on older cars, given that we don't see half the powertrains operated in Europe I wonder how close that data is to USDM vehicles..

Subaru is somewhere in the middle it has a powertrain failure rate of 1.3%-1.7% @Tcoat is guessing pretty spot on for the average and probably lower than most people would assume cheap sports cars to be given the history of sports car reliability.
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Old 08-04-2016, 12:48 PM   #171
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People gave up reporting crickets. The problem lies in that these reports don't break down the stats by actual problem. We don't know what complaints were for a noise or a blown engine and these things are worlds apart in impact.
They also put every single complaint against "reliability' and things like a clicking rear support may be really annoying but in no way affect the reliability of the vehicle.
Actually that site does. Look at the comments.
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Old 08-04-2016, 12:49 PM   #172
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OK so they obviously all take their stats from different sources and the lists do not line up but are close enough.


My pulled out of my ass guess for the Twins was 2%.
Since the worst of the best was 1.38% and the best of the worst was 1.7% then we can assume that Subaru as a whole falls someplace in between. This means that I was off someplace between .62% and .30%. We can consider that maybe (just maybe) that Subaru fell into the middle of the didn't make a list crowd and call it 1.54%. That means an asstimate of 2% is not too shabby for a guess based upon posts on a forum (if I do say so myself).




Loads of assumptions there of course but when you look at the MG Rover or even Audi rates all of a sudden these engines look pretty damn reliable.
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Old 08-04-2016, 12:55 PM   #173
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People gave up reporting crickets. The problem lies in that these reports don't break down the stats by actual problem. We don't know what complaints were for a noise or a blown engine and these things are worlds apart in impact.
They also put every single complaint against "reliability' and things like a clicking rear support may be really annoying but in no way affect the reliability of the vehicle.
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Actually that site does. Look at the comments.
BINGO! (Didn't notice they were links)


I rest my case!


2013 Engine "reliability issues"
fuel pump replaced 55913 km
Warranty covered - 3rd repair - chirping sound, 2x replaced fuel pump, this time replace all cam gears 20968 km
irregular idle 58652 km
High pressure fuel pump for the direct injection system that is in the engine bay and runs of the camshaft made a high pitch chirping noise at idle when the engine was warm 19342 km
Fuel pump still chirping. New fuel pump ordered in accordance with TSB. Installed later in the month. 35484 km
Car bought back owing to chronic fuel pump chirping. New car does it as well unless use ethanol-free fuel. 15590 km
Chirping sound from engine. Dealer replaced fuel pump at no cost under warranty. The repair did not fix the problem. I'm coming up on the 15,000 mile service soon so when I take it in for that I plan to ask them to look at the chirping sound again. 30000 km
Fuel pump made an abnormal noise. Replaced Under warranty 32258 km
Chirping noise caused by fuel pump. 5000 km
Stupid high pressure fuel pump for fuel injection is chirping like crazy. Widespread on the BRZ and FRS. They need to address this design flaw.
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Old 08-04-2016, 12:58 PM   #174
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My pulled out of my ass guess for the Twins was 2%.

Since the worst of the best was 1.38% and the best of the worst was 1.7% then we can assume that Subaru as a whole falls someplace in between. This means that I was off someplace between .62% and .30%. We can consider that maybe (just maybe) that Subaru fell into the middle of the didn't make a list crowd and call it 1.54%. That means an asstimate of 2% is not too shabby for a guess based upon posts on a forum (if I do say so myself).

Loads of assumptions there of course but when you look at the MG Rover or even Audi rates all of a sudden these engines look pretty damn reliable.
You have a Toyota though, so you're set.
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Old 08-04-2016, 01:01 PM   #175
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Interdasting... Three of your four links are from the same source 'Warranty Direct' a UK company offering extended warranties on older cars, given that we don't see half the powertrains operated in Europe I wonder how close that data is to USDM vehicles..

Subaru is somewhere in the middle it has a powertrain failure rate of 1.3%-1.7% @Tcoat is guessing pretty spot on for the average and probably lower than most people would assume cheap sports cars to be given the history of sports car reliability.
I was writing my reply when this was posted and now my response just looks silly!
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Old 08-04-2016, 01:01 PM   #176
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About 25,000 miles total on mine, 3000 of those being track miles (25+ track days). Engine is running strong. Only thing I've replaced is a coil pack.

I take care of the engine to the extent possible (don't push the engine until oil temps > 170 F, use an oil cooler, tweak the tune based on knock in the track datalogs, etc.) but the engine seems stout so far.
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Old 08-04-2016, 01:05 PM   #177
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You have a Toyota though, so you're set.
Oh shit! Now I have to calculate a whole new reliability rate to take the Toyota fuel delivery system on a Subaru engine into account. Better break out the slide rule.
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Old 08-04-2016, 01:12 PM   #178
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Oh shit! Now I have to calculate a whole new reliability rate to take the Toyota fuel delivery system on a Subaru engine into account. Better break out the slide rule.
...Slide rule? Better get out the abacus while you're at it. *cough*old!*cough*

I would love to see Toyota design and build a boxer 4 from scratch. Porsche has demonstrated that you can make a very high RPM, high power boxer engine, I just think Subaru doesn't want to put the effort into R&D.
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Old 08-04-2016, 01:16 PM   #179
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...Slide rule? Better get out the abacus while you're at it. *cough*old!*cough*

I would love to see Toyota design and build a boxer 4 from scratch. Porsche has demonstrated that you can make a very high RPM, high power boxer engine, I just think Subaru doesn't want to put the effort into R&D.
They also are not interested in charging Porsche prices I would suspect.
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Old 08-04-2016, 01:21 PM   #180
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They also are not interested in charging Porsche prices I would suspect.
I'm sure you're right; I just want to see what they could come up with. The old closed deck STis were monsters back in the day, and technology has only progressed since then.
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Old 08-04-2016, 01:22 PM   #181
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Oh shit! Now I have to calculate a whole new reliability rate to take the Toyota fuel delivery system on a Subaru engine into account. Better break out the slide rule.
A crystal ball is the more accurate tool for this application.
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Old 08-04-2016, 06:16 PM   #182
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Did you throw a code or anything with the coil packs? Im at 102k. Dont beat on it that hard though as I chill on my daily drives
yeah i threw a code, with light driving it went away after a few start ups. the cel log ahd it at 5300 rpms right after a shift and i was driving the living piss out of it when it happened on my birthday lol
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