There is a significantly high number of piston ringland failures on the later model Subaru WRX and WRX STI. The goal of this article is to help you avoid becoming one of them. Some of these may seem like common sense to most, but for many younger or first time turbo car owners it may be new.
How do you know Ringland is failing?
When the ringlands on your Subaru have failed, you will likely notice one of the following things: Blue smoke coming out of the exhaust. A large amount of oil being consumed very quickly.
Is Subaru discontinuing the WRX?
Subaru has announced it will see off the current generation WRX STI with a very limited-run special edition. The EJ25 in the name refers to the code of the current WRX STI’s 2.5-litre turbocharged engine, which first emerged in 2005 and will be discontinued when the new-gen WRX STI arrives with a new powerplant.
What part of the piston is the Ringland?
Ring land. This is the area on the side of the piston from the crown to the top piston ring and then the material between the rings on the piston’s side. The ring land from the top ring to the crown is also identified as a crevice volume. It is a region where the air/fuel mixture will travel to, but the flame will not.
How much does it cost to fix a rod knock on a Subaru WRX?
On average, expect to spend between $2,000-$3,000 for both parts and labor.
What part of piston is Ringland?
Are there any problems with the Subaru WRX piston Ringland?
There is a significantly high number of piston ringland failures on the later model Subaru WRX and WRX STI. The goal of this article is to help you avoid becoming one of them.
How many Ringlands does a turbo engine have?
All of the turbo 2.5L (EJ25) and 2.0L (EJ20 / FA20) pistons feature three ringlands which accomodate the two compression rings and one oil control ring. The first ringland (aka top land) is located between the top of the piston (known as a crown or deck) and the primary compression ring.
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What is the purpose of the first Ringland?
The first ringland (aka top land) is located between the top of the piston (known as a crown or deck) and the primary compression ring. This ring seals out the majority of the heat and combustion gases from the crankcase. The second ringland bridges the primary and secondary compression ring.
