Engine Subaru EZ36

The 3.6-liter Subaru EZ36D engine (or EZ36 for short) has been produced at the Gunma Oizumi Plant since 2008 and is installed on the company’s most popular models, such as the Legacy, Outback and Tribeca. He received a reinforced cylinder block, inside of which cast-iron liners 1.5 mm thick are installed. They covered the block with new cylinder heads, which were equipped with a variable valve timing system on the intake and exhaust camshafts Dual AVCS.

The EZ line also includes an internal combustion engine: EZ30.

The engine was installed on:

  • Subaru Legacy 5 (BM) in 2009 – 2014;
  • Subaru Legacy 6 (BN) in 2014 – 2019;
  • Subaru Outback 4 (BR) in 2009 – 2014;
  • Subaru Outback 5 (BS) in 2014 – 2020;
  • Subaru Tribeca 1 (WX) in 2008 – 2014.

Specifications

Start of production 2008
Displacement, cc 3629
Fuel system injector
Power output, hp 250 – 260
Torque output, Nm 350
Cylinder block aluminum H6
Block head aluminum 24v
Cylinder bore, mm 92
Piston stroke, mm 91
Compression ratio 10.5
Features DOHC
Hydraulic lifters no
Timing drive three chains
Phase regulator Dual AVCS
Turbocharging no
Recommended engine oil 5W-30
Engine oil capacity, liter 6.3
Fuel type 95
Euro standards EURO 4/5
Fuel consumption, L/100 km (for Subaru Tribeca 2010)
— city
— highway
— combined
16.2
9.0
11.6
Engine lifespan, km ~320 000
Weight, kg 185

Disadvantages of the EZ36 engine

  • Most often, the network complains about high fuel consumption and regular oil leaks;
  • In second place is overheating due to another problem with the cooling system;
  • From cheap oil, the tensioner fails here and the timing chain starts to make noise;
  • Low reliability also has a pressure regulator in the fuel pump;
  • On runs over 150 – 200 thousand km, oil consumption for waste is often already present.

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