Mazda 626 Station Wagon, Workshop Manual

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SCHEDULED MAINTENANCE
(Scheduled Maintenance Service (Specific Work Required)
Maintenance Item
Specific Work Required
ENGINE
Engine valve clearance Measure clearance.
Drive belts
Inspect for wear, cracks and fraying, and check tension.
Replace drive belt.
Engine tinning belt Replace engine timing belt.
Engine oil Replace engine oil and inspect for leakage.
Oil filter Replace oil filter and inspect for leakage.
Oil by-pass filter Replace oil by-pass filter and inspect for leakage.
COOUNG SYSTEM
Cooling system
(including coolant level adjustment)
Check coolant level and quality, and inspect for leakage.
Engine coolant
Replace coolant.
FUEL SYSTEM
Idle speed Check engine idle rpm.
Idle mixture
(for CIS & carburetor leaded fuel)
Check the CO and HC concentrations (See W/M).
Choke system (for carburetor) Check system operation.
Air cleaner element
Inspect for dirt, oil and damage.
Clean air cleaner element (by blowing air).
Replace air cleaner element.
Fuel filter Replace fuel filter.
Fuel lines & hoses
Inspect for cracks, leakage and loose connection.
IGNITION SYSTEM (FOR GASOLINE)
Initial ignition timing Check initial ignition timing.
Spark plugs
Inspect for wear, damage, carbon, high-tension lead condition and mea­
sure plug gap.
Replace spark plugs.
EMISSION CONTROL SYSTEM (FOR GASOLINE)
Evaporative system
Check system operation (See W/M), vapor lines, vacuum fitting hoses
and connection.
Throttle positioner system (if equipped)
Check the diaphragm and system operation, vacuum fitting hoses and
connection.
Dash pot (for carburetor) Check system operation.
E.G.R. system
Check system operation (See W/M), vacuum fitting hoses and connec­
tion.
ELECTRICAL SYSTEM
Battery electrolyte level & specific gravity Check level and specific gravity.
Battery condition
Check the battery for corroded or loose connections and cracks in the
case (for maintenance free type).
All electrical system
Check function of lighting system, windshield wiper (including wiper blade
condition) and washer and power windows.
Headlight alignment Check headlight alignment
CHASSIS & BODY
Brake & clutch pedals Check pedal height and free play.
Brake fluid
Check fluid level and inspect for leakage.
Replace brake fluid.
Clutch fluid Check fluid level and inspect for leakage.
Brake lines, hoses & connections
Inspect for cracks, damage, chafing, corrosion, scars, swelling and fluid
leakage.
Parking brake Check lever stroke.
Power brake unit & hoses
Check vacuum lines, connections and check valve for improper attach­
ment, airtightness, cracks chafing and deterioration.
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