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


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Old 01-26-2022, 03:58 AM   #1
theinvisible
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Valve Adjustment interval

From what I understand, the FA20 has a shim and bucket valve train, which doesn't automatically adjust valve lash by itself. On my Honda, the service interval for valve adjustments is 100,000 miles (160,000km).


Has anybody had to adjust their valves just from normal wear and tear? What mileage interval does it take for this to become a problem? I've only seen posts of people having to do this fairly early on, due to manufacture defect.
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Old 01-26-2022, 08:32 AM   #2
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I would not pull this engine just to check/adjust valve clearance. If it is not broke do not fix it.
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Old 01-26-2022, 09:21 AM   #3
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After almost 10 years in the market, a simple web search should turn up information on the frequency of occurrence. I'd say it is very low.
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