Toyota Land Cruiser 1988 Repair Manual page 116

EMISSION CONTROL SYSTEMS- Fuel Evaporative Emission Control (EVAP) System EC-7
Purge Pipe
Below 45•c
Above
64·c
"/
'
EC1104
Tank Pipe
EC1105
INSPECTION OF CHARCOAL CANISTER
1. REMOVE CHARCOAL CANISTER
2. VISUALLY INSPECT CHARCOAL CANISTER
CASE
Look for cracks or damage.
3. CHECK FOR CLOGGED FILTER AND STUCK
CHECK VALVE
(a) Using low pressure compressed air, blow into the
tank pipe and check that the air flows without
resis~
tance from the other pipes.
(b) Blow into the purge pipe and check that the air does
not flow from the other pipes.
If a problem is found, replace the charcoal canister.
4. CLEAN FILTER IN CANISTER
___ compressed
Air
Clean the filter by blowing 3 kg/cm 2 (43 psi, 294 kPa)
EC1106
Air Filter
Air Filter
of compressed air into the tank pipe, while holding the
other upper canister pipe closed.
NOTE:
• Do not attempt to wash the canister.
• No activated carbon should come out.
5.
INSTALL CHARCOAL CANISTER
INSPECTION OF BVSV
CHECK BVSV BY BLOWING AIR INTO PIPE
(a) Drain the coolant from the radiator into a suitable
container.
(b) Remove the BVSV from the water outlet.
(c) Cool the BVSV to below 45•c (113.F) with cool
water.
(d) Check that that air flows from pipe J to the air filter.
(e) Heat the BVSV to above 64•c (147''F) with hot
water. ·
(f) Check that air flows from pipe J to pipe K.
If a problem is found, replace the BVSV.
(g) Apply sealant to the threads of the BVSV and
rein~
stall.
Sealant: Part No. 08833-00070, THREE BOND
1324 or equivalent
(h) Fill the radiator with coolant.