piston slap
is piston slap a wear and tear thing or is it due to mistreating the engine, also is what year of engine was in on
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Related to poor quality materials and common in 97\98 most people who have seem to have it get no probs
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what is it ?does it mean u need to get a new piston?
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it means if a piston is notty, the engine slaps it about lol!!!
Eventually, i'm sure pistonslap will lead to engine failure, you will most likely hear this on start up... |
is it a knock or a tick noise
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more of a knocking noise.... if it's not that serious it will calm down, on warm up...
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Phew! :rolleyes: Mine seems to knock for the first minute or so, then the noise dissappears. :wonder:
MY99 UK Turbo. 277bhp, running castrol rs 10w60. (will be swaping back to mobil 1 15w50 on next service) |
Mine (97) has been slapping away for 40,000 miles and I give it death every day. Just make sure you drive carefully with no boost until warm else it may damage the bore and will definately make the slapping worse. I found the best oil with regards to keeping the slapping quiet is the Silkolene.
Luke |
Piston slap is a result of wide bore clearance which can occur, over time with wear. Some new engines are slappy from the start if they have forged pistons and a deliberate large bore clearance.
O/E subaru that were particularly affected were M/Y 97+98. It seems to be more an annoyance than a problem. Drive the car gently until fully warmed up. |
Always do! :thumb: As said, mine goes within 2 minutes of start up.
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