WEICHAI WD10 - 3210 High Cooling Water Temperature; 3211 Rapid Wear of Parts

Service Manual for WD10 Diesel Engine
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7. Large filtering resistance of engine oil
filter
Replace filter element.
8. Blockage of engine oil cooler
Check and clean.
9. Blockage of main oil gallery
Check and clean.
10. Large bearing shell clearance, or
damaged bearing shell
Check and replace.
11. Severe wear of parts, overhaul needs to
be done
Check working hour of engine, overhaul the engine.
3210 High Cooling Water Temperature
1. Low cooling water level in water tank
Check for water leakage, add water.
2. Blockage of water tank
Check water tank, clean or repair.
3. Loose water pump belt
Tension the belt according to related requirements.
4. Damaged water pump gasket, wear of
water pump impeller
Check and repair or replace.
5. Thermostat failure
Replace.
6. Damage of water pipe, air infiltrated in.
Check water pipe, pipe joints and gaskets, replace
damaged parts.
7. Low engine oil level in oil sump, lack of
engine oil
Check engine oil level and leakage, repair and fill
oil.
3211 Rapid Wear of Parts
1. Unqualified or damaged air filter element
Check and replace with qualified air filter element.
2. Short circuit of intake system
Check intake pipe, gaskets and pipe joints, repair or
replace.
3. Low engine oil level in oil sump, lack of
engine oil
Check engine oil level and leakage, repair and fill
oil.
4. Blockage of oil gallery
Clean.
5. Wrong engine oil brand
Replace engine oil according to related
requirements, choose suitable engine oil brand.
6. Breakage or wear of piston ring
Replace damaged parts.
7. Wear of piston or cylinder sleeve, or
scuffing of cylinder bore
Overhaul piston and cylinder sleeve, repair or
replace.
8. Fail to replace engine oil filter element in
time
Replace it according to related requirements.