Inspect Charcoal Canister; Replace Gasket In Fuel Tank Cap; Inspect Fuel Lines And Connections - Toyota 22R-E Service Manual

MAINTENANCE – MAINTENANCE OPERATIONS

8. INSPECT CHARCOAL CANISTER

(a) Remove charcoal canister.
HINT:Label hoses for correct installation.
(b) Visually inspect canister case.
(c) Check for clogged filter and stuck check valve.
(1) Using low compressed air (4.71 kPa (48 gf/cm2,
0.68 psi), blow into the tank pipe and check that
air flows without resistance from the other pipes.
(2) Blow air (4.71 kPa (48 gf/cm2, 0.68 psi) into the
purge pipe and check that air does not flow from
the other pipes.
If a problem is found, replace the charcoal canister.
(d) Clean filter in canister.
(1) Clean the filter by blowing 294kPa (3 kgf/cm
psi) of compressed air into the tank pipe while
holding the purge pipe closed.
NOTICE:
Do not attempt to wash the canister.
No activated carbon should come out.
(e) Install charcoal canister.

9. REPLACE GASKET IN FUEL TANK CAP

(a) Remove the old gasket (0–ring) from the tank cap.
Do not damage the cap.
(b) Install a new gasket by hand.
(c) Inspect the cap for damage or cracks.
(d) Install the cap and check the torque limiter.

10. INSPECT FUEL LINES AND CONNECTIONS

Visually inspect the fuel lines for cracks, leakage loose
connections, deformation or tank band looseness.
MA–9
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