1989-Montero · emission system · страница 11 из 38 · Открыть оригинал PDF ↗
Проверка
(I) Disconnect the black vacuum hose from the intake
manifold nipple and plug the nipple. Then, connect a hand
vacuum pump to the disconnected black vacuum hose.
(2) Check the following both when the engine is cold [engine
coolant temperature 50°C (122°F) or less] and when it is
hot [engine coolant temperature 85 to 95°C (185 to 205”F)j
When engine is cold
| Vacuum | Engine state | Normal condition |
|---|---|---|
| 53 kPa (15.7 in.Hg) | 1 2,500 rpm | 1 Vacuum is held |
Таблица в оригинале
When engine is hot
| Vacuum | Engine state | Normal condition |
|---|---|---|
| 53 kPa (15.7 in.Hg) | Idling | Vacuum is held |
| 53 kPa (15.7 in.Hg) | 2,500 rpm | Vacuum leaks |
Таблица в оригинале
PURGE CONTROL VALVE INSPECTION
(1) Remove the purge control valve.
(2) Connect a hand vacuum pump to the vacuum nipple of the
purge control valve.
(3) Apply a vacuum of 53 kPa (15.7 in.Hg) to check air
tightness.
(4) Blow in air lightly from the canister side nipple to check
conditions as follows.
| Hand vacuum pump vacuum | Normal condition |
|---|---|
| 0 kPa (No vacuum is applied) | Air does not blow through |
| 27 kPa (7.9 in.Hg) or more | Air blows through |
Таблица в оригинале
THERM0 VALVE
N25iSD”
Проверка
NOTE
This therm0 valve also controls the choke breaker, EGR and
choke opener.
(I) Disconnect the vacuum hose (white stripe) from the
therm0 valve and connect a hand vacuum pump to the
therm0 valve.
(2) Apply vacuum to check therm0 valve condition as follows.
| Engine coolant | Normal condition |
|---|---|
| 10°C (50°F) or less | Vacuum leaks |
| 18°C (65°F) or more | Vacuum holds |
Таблица в оригинале
Оригинальная страница руководства
