Toyota Sequoia (2005). Manual - part 681

EC0MB–01

B16483

PCV Hose

PCV Valve Cover

PCV Valve

27 (275, 20)

 Precoated part

N·m (kgf·cm, ft·lbf) : Specified torque

–

EMISSION CONTROL

POSITIVE CRANKCASE VENTILATION (PCV) 
SYSTEM

EC–5

2713

POSITIVE CRANKCASE VENTILATION (PCV) SYSTEM

COMPONENTS

EC0NP–01

B16486

Clean Hose

Cylinder Head Side

Air

B16487

Air

Intake
Manifold
Side

Clean Hose

B16488

Adhesive

B16484

Port

Front

15 – 25

°

EC–6

–

EMISSION CONTROL

POSITIVE CRANKCASE VENTILATION (PCV) 
SYSTEM

2714

INSPECTION

1.

REMOVE V–BANK COVER

2.

INSPECT PCV VALVE

(a)

Remove the PCV valve.

(b)

Install a clean hose to the PCV valve.

(c)

Inspect the PCV valve operation.
(1)

Blow air into the cylinder head side, and check that
air passes through easily.

CAUTION:
Do not suck air through the valve. Petroleum substances
inside the valve are harmful.

(2)

Blow air into the intake manifold side, and check
that air passes through with difficulty.

If operation is not as specified,

 

replace the PCV valve.

(d)

Remove the clean hose from the PCV valve.

(e)

Reinstall the PCV valve.
(1)

Apply adhesive to 2 or 3 threads.

Adhesive:
Part No. 08833–00070, THREE BOND 1324 or equiva-
lent

(2)

Reinstall the PCV valve.

Torque: 27 N·m (275 kgf·cm,20 ft·lbf)

HINT:
After applying the specified torque, rotate the PCV valve clock-
wise with the port faced in the direction indicated in the illustra-
tion.

(3)

Install the PCV valve cover to the PCV valve.

(4)

Connect the PCV hose to the PCV valve.

B03197

–

EMISSION CONTROL

POSITIVE CRANKCASE VENTILATION (PCV) 
SYSTEM

EC–7

2715

3.

INSPECT HOSES, CONNECTIONS AND GASKETS

Visually for cracks, leaks or damage.
4.

REINSTALL V–BANK COVER

EC0JK–03

B17456

Air Filter

Air Drain Hose

Air Inlet Hose

Vent Line Hose

Purge Line Hose

Charcoal Canister

Spare Tire

N·m (kgf·cm, ft·lbf) : Specified torque

5.5 (56, 49 in.·lbf)

29 (296, 21)

EC–8

–

EMISSION CONTROL

EVAPORATIVE EMISSION (EVAP) CONTROL SYSTEM

2716

EVAPORATIVE EMISSION (EVAP) CONTROL SYSTEM

COMPONENTS