Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSMAZDA1999626 ES, 2.5 D, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 153 (ENGINE MECHANICAL (SERVICE INFORMATION L3))
1999 Mazda 626 ES, 2.5 D, Standard
Section 153 (Engine Mechanical (Service Information L3))
1999 Mazda 626 ES, 2.5 D, StandardSECTION Section 153 (Engine Mechanical (Service Information L3))
WARNING: This page is about a different car, the 2004 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.
- Torque Specifications
- Mechanical Location Index
- Drive Belt Inspection
- Drive Belt Replacement
- Drive Belt Auto TENSIONER Inspection
- Plug Hole Plate Removal/Installation
- Compression Inspection
- Valve Clearance Inspection
- Valve Clearance Adjustment
- Timing Chain Removal/Installation
- Notes
- Crankshaft Pulley Lock Bolt Removal Note
- Chain Tensioner Removal Note
- No. 3 Engine Mount Rubber & No. 3 Engine Joint Bracket Removal Note
- Engine Front Cover Removal Note
- Oil Pump Sprocket Removal Note
- Oil Pump Sprocket Installation Note
- Timing Chain Installation Note
- Engine Front Cover Installation Note
- Front Oil Seal Installation Note
- No. 3 Engine Mount Rubber & No. 3 Engine Joint Bracket Installation Note
- Crankshaft Pulley Lock Bolt Installation Note
- Cylinder Head Cover Installation Note
- Cylinder Head Gasket Replacement
- Front Oil Seal Replacement
- Rear Oil Seal Replacement
- Engine Removal/Installation
- Notes
- No. 1 Engine Mount Rubber Removal Note
- No. 4 Engine Mount Bracket & No. 4 Engine Mount Rubber Removal Note
- No. 3 Engine Joint Bracket Installation Note
- No. 4 Engine Mount Bracket & No. 4 Engine Mount Rubber Installation Note
- No. 1 Engine Mount Bracket Installation Note
- No. 1 Engine Mount Rubber Installation Note
- Engine Disassembly/Assembly
- Variable Valve Timing Actuator Inspection
- Variable Valve Timing Actuator Removal/Installation
- Oil Control Valve (OCV) Removal/Installation
- Oil Control Valve (OCV) Inspection
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.