Technical data of 6-cylinder engines [Toyota 4Runner N120]

Cylinder numbering order and direction of rotation of distributors of 3.0 l engines

Cylinder numbering and terminal arrangement on 3.4L engines

Designation	3VZ-E (5VZ-FE)
Cylinder numbering order (from toothed belt to transmission):
- on the right side (in the direction of the car)	1–3–5 (1–3–5)
- on the left side	2–4–6
Cylinder firing order	1–2–3–4–5–6
Deformation of split planes (in mm):
- cylinder heads	0,10 (0,10)
- suction manifold	0,10 (0,10)
- exhaust manifold	0,70 (1,00)
Camshaft (all dimensions and clearances in mm)
Valve clearances on a cold engine:
- inlet	0,18 – 0,28 (0,13 – 0,23)
- graduation	0,22 – 0,32 (0,27 – 0,37)
Diameter of bearing journals	33,959 – 33,975 (26,949 – 26,965)
Clearance in bearing journals:
- standard	0,025 – 0,066 (0,035 – 0,072)
- ultimate	0,10 (0,10)
Cam size (3.0L):
- standard	47.830 – 47.930 (intake valves 42.31 – 42.41, exhaust valves 41.96 – 42.06)
- ultimate	47,50 (intake valves 42.16, exhaust valves 41.81)
Axial clearance:
- standard	0,08 – 0,19 (0,033 – 0,080)
- ultimate	0,25 (0,12)
Beating, no more (measured by the indicator)	0,06 (0,06)
Timing belt deflection	10,0 – 10,8 (10,0 – 10,8)
Clearance in the engagement of camshaft gears (on 3.4 l engines):
- standard	0,020 – 0,200
- ultimate 0,30
Distance between ends of gear spring in free state (on 3.4 l engines)	18,2 – 18,8
Pushers:
– outer diameter	37,922 – 37,932 (30,966 – 30,976)
– inner diameter of the hole for the pusher	37,960 – 37,975 (30,960 – 31,018)
Clearance between hole and pusher:
- standard	0,028 – 0,053 (0,024 – 0,052)
- ultimate	0,15 (0,08)
Oil pump
Clearance between driven rotor and housing:
- standard	0,10 – 0,13 (0,10 – 0,18)
- ultimate	0,30 (0,30)
Gap between rotors:
- standard	0,11 – 0,93 (0,11 – 0,94)
- ultimate	0,35 (0,35)
Rotors engagement gap:
- standard	0,03 – 0,09 (0,03 – 0,09)
- ultimate	0,15 (0,15)

Tightening torques (in Nm)

Intake manifold bolts	16 (16)
Exhaust manifold nuts	33 (37)
Exhaust Pipe Connecting Section Bolts	40 (40)
Crankshaft pulley bolt	220 (224)
Timing Belt Cover Bolts (N3)	7,4 (7,4)
Tensioner Roller Bolts (are wrapped with a fixing compound):
– N1	30 (32)
– N₂	16 (37)
Belt tensioner bolts	25 (25)
Cylinder head cover nuts	5,2 (5,3)
Camshaft Pulley Bolts	98 (99)
Camshaft journal cover bolts	14,4 (1,2)
Cylinder head bolts (for 3.0 l engine):
- Stage 1	10mm bolt - 33, others - 41
– 2nd stage of tightening	turn 90°
– 3rd stage of tightening	turn 90°
Cylinder head bolts (for 3.4L engine):
– 12-point head bolts:
• stage 1	31
• stage 2	turn 90°
• stage 3	turn 90°
- countersunk head bolts (they are wrapped in only 1 stage, no need to wrap them further)	16
Pallet bolts	5,2 (5,2)
Oil pump bolts	17 (bolts A 17, bolts B 38)
Oil receiver bolts	6,1 (6,6)
Flywheel/torque converter disc bolts	79/ 73 (74/ 74)
Rear Oil Seal Holder Bolts	6,9 (6,9)

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The article material has been checked: Gribkov Vladimir

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4Runner N120: 6-cylinder engines

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Types of repairs performed without removing the engine from the car
Setting the piston of the 1st cylinder to TDC of the compression stroke
Cylinder Head Covers — Removal and Installation
Intake manifold — removal and installation
Exhaust manifolds — removal and installation