1989-Montero · engine 2'6 · страница 11 из 55 · Открыть оригинал PDF ↗
| Symptom | Probable cause | Remedy |
|---|---|---|
| Oil pressure too high | Oil relief valve stuck (closed) | Repair relief valve |
| Noisy valves | Incorrect auto-lash adjuster | Replace auto-lash adjuster |
| Thin or diluted engine oil (low oil pressure) | Change engine oil | |
| Valve stem or valve guide worn or damage | Replace valve and/or guide | |
| Connecting rod noise/ i bi i | lnsuff icient oil supply | Check engine oil level |
| man earng nose | Low oil pressure | Refer to “Oil pressure drop” |
| Thin or diluted engine oil | Change engine oil | |
| Excessive bearina clearance | Reolace bearinas | |
| 1 Timing chain noise | 1 Loose timing chain | 1 Replace timing chain and/or sprockets I |
| Excessive engine rolling and vibration | Loose No. 2 member | / Retighten |
| Broken mount insulator | Replace |
Таблица в оригинале
ENGINE ADJUSTMENT SILENT SHAFT DRIVE CHAIN TENSION AD- JUSTMENT No9”A4
When a loose silent shaft drive chain is suspected as the pro-
bable cause of abnormal noise, the tension must be read-
justed. Tension of silent shaft drive chain can be adjusted
without removing timing chain cover as follows:
(1) Remove cover from access hole provided at center of chain
case (underwater pump).
(2) Loosen special bolt “B”.
(3) Using your finger push projection on chain guide “OB” in
direction of arrow. Do not push projection with a
screwdriver or other tool. Improperly chain tension will
cause abnormal noise.
(4) Tighten special bolt “B”.
(5) Install cover. Do not reuse damaged gasket.
Cover bolt tightening torque: 10-12 Nm (7-9 ft.lbs.1
Проверка компрессии
NWFFAE
(1) Before checking compression, ensure that engine oil, the
starter motor, and battery are all in normal operating condi-
tion.
(2) Start the engine and wait until engine coolant temperature
has risen to 85”-95°C (185-205°F).
(3) Stop the engine and pull the spark plug cables.
(4) Remove the spark plugs.
(5) Crank the enigne to remove any foreign objects in the
cylinders.
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