Mazda B6 Engine Full Workshop Manual is a detailed service and repair manual for the Mazda B6 engine. This manual includes all the information you need to diagnose, repair and maintain the engine used in many Mazda models. Available in PDF format for easy reference.
Mazda 323 (BF, 1985–1989) Engine B6 DOHC | Download |
Mazda 323 (BF, 1985–1989) Engine B6 EGI | Download |
Mazda 323 (BF, 1985–1989) Lubrication System B6 DOHC | Download |
Mazda 323 (BF, 1985–1989) Lubrication System B6 EGI | Download |
Mazda 323 (BF, 1985–1989) Cooling System B6 DOHC | Download |
Mazda 323 (BF, 1985–1989) Cooling System B6 EGI | Download |
Mazda 323 (BF, 1985–1989) Fuel and Emission Control System (Turbo) | Download |
Mazda 323 (BF, 1985–1989) Fuel and Emission System DOHC | Download |
Mazda 323 (BF, 1985–1989) Fuel and Emission System EGI | Download |
Mazda 323 (BF, 1985–1989) Engine Electrical System | Download |
Mazda 323 BG, 1989-1994 Engine SOHC B6 | Download |
Mazda 323 BG, 1989-1994 Engine DOHC B6 | Download |
Mazda 323 BG, 1989-1994 Lubrication System SOHC DOHC B6 | Download |
Mazda 323 BG, 1989-1994 Cooling System | Download |
Mazda 323 BG, 1989-1994 Fuel and Emission Control System | Download |
Mazda 323 BG, 1989-1994 Engine Electrical System | Download |
1. Oil leak
Causes: Worn valve cover seals or oil seals.
Aging oil sump gasket.
Solution: Replace gaskets and oil seals.
2. Increased oil consumption (oil burner)
Causes: Worn piston rings or valve stem seals.
Symptoms: Smoke from the exhaust pipe (blue tint).
Solution: Overhaul the engine with replacement of worn parts.
3. Engine overheating
Causes: Faulty thermostat or radiator.
Coolant leaks due to cracks in hoses or cylinder head gasket.
Solution: Replace thermostat, radiator or damaged cooling system components.
4. Timing chain or timing belt noise
Causes: Stretched timing chain or worn drive belt.
Worn tensioner or guides.
Solution: Replace the chain or belt together with the components.
5. Problems with the carburetor (on early versions)
Symptoms: Unstable engine operation at idle.
Difficult starting in cold weather.
Solution: Adjust or clean the carburetor, replace with an injection system if possible.
6. Malfunctions of the ignition system
Causes: Worn spark plugs, ignition coil or high-voltage wires.
Symptoms The engine is misfiring, deterioration in dynamics.
Solution: Replace spark plugs, wires or coil.
7. Problems with the fuel supply system
Causes: Clogged fuel filter or injectors.
Failures in the fuel pump.
Symptoms: Loss of power, jerks during acceleration.
Solution: Replace filters, clean injectors or replace the pump.
8. Cylinder block or cylinder head corrosion
Causes: Long-term use of unsuitable coolant or its absence.
Solution: Check the condition of the block and cylinder head, replace parts if necessary.