Mazda MX-5 Miata Sport 2007 Bedienungsanleitung

2006-08 ENGINE

Mechanical - Overhaul - 2.0L (LF) & 2.3L (L3) - Mazda6 & MX-5 Miata

ENGINE IDENTIFICATION

Engine can be identified by engine model and number

ENGINE IDENTIFICATION CODE

MECHANICAL

ENGINE OVERHAUL SERVICE WARNING

ENGINE MOUNTING/DISMOUNTING

1. Install the SSTs (arms) to the cylinder block holes as shown, and hand-tighten the bolts (part No.:

9YA20-1003) or M10 x 1.5T length 90 mm {3.55 in}.

Engine Code

2.0L 4-Cylinder LF

2.3L 4-Cylinder L3

WARNING: Continuous exposure with USED engine oil has caused skin cancer

in laboratory mice. Protect your skin by washing with soap and

water immediately after this work.

2007 Mazda MX-5 Miata Sport

2006-08 ENGINE Mechanical - Overhaul - 2.0L (LF) & 2.3L (L3) - Mazda6 & MX-5 Miata

2007 Mazda MX-5 Miata Sport

2006-08 ENGINE Mechanical - Overhaul - 2.0L (LF) & 2.3L (L3) - Mazda6 & MX-5 Miata

Microsoft

Fig. 1: Installing SST (Arms) To Cylinder Block Holes

Courtesy of MAZDA MOTORS CORP.

2. Assemble the SSTs (bolts, nuts and plate) to the specified positions.

3. Adjust the SSTs (bolts) so that less than 20 mm {0.79 in} of thread is exposed.

4. Make the SSTs (arms and plate) parallel by adjusting the SSTs (bolts and nuts).

2007 Mazda MX-5 Miata Sport

2006-08 ENGINE Mechanical - Overhaul - 2.0L (LF) & 2.3L (L3) - Mazda6 & MX-5 Miata

Microsoft

Fig. 2: Assembling SSTs (Bolts, Nuts And Plate) To Positions

Courtesy of MAZDA MOTORS CORP.

5. Tighten the SSTs (bolts and nuts) to affix the SSTs firmly.

Fig. 3: Identifying SST Bolts, Nuts & Parallel Plates

2007 Mazda MX-5 Miata Sport

2006-08 ENGINE Mechanical - Overhaul - 2.0L (LF) & 2.3L (L3) - Mazda6 & MX-5 Miata

Microsoft

Courtes

of MAZDA MOTORS CORP.

6. Mount the engine on the SST (engine stand).

7. Drain the engine oil into a container.

8. Install the oil pan drain plug.

With washer

1. Install the oil pan drain plug with a new washer.

Tightening torque

30-41 N.m {3.1-4.1 kgf.m, 23-30 ft.lbf}

Without washer

1. Inspect the seal rubber of the oil pan drain plug and make sure there are no cracks or damage.

- If necessary, replace the oil pan drain plug.

2. Clean the flange surface (seal rubber) on the oil pan drain plug, then install the oil pan drain

plug.

Tightening torque

22-30 N.m {2.2-3.1 kgf.m, 16-22 ft.lbf}

DISMOUNTING

Dismount in the reverse order of mounting.

TIMING CHAIN DISASSEMBLY

1. Disassemble in the order indicated in the table.

WARNING: Self-locking brake system of the engine stand may not be

effective when the engine is held in an unbalanced position.

This could lead to sudden, rapid movement of the engine and

mounting stand handle and cause serious injury. Never keep

the engine in an unbalanced position, and always hold the

rotating handle firmly when turning the engine.

2007 Mazda MX-5 Miata Sport

2006-08 ENGINE Mechanical - Overhaul - 2.0L (LF) & 2.3L (L3) - Mazda6 & MX-5 Miata

Microsoft

Fig. 4: Exploded View Of Timing Chain Components

Courtesy of MAZDA MOTORS CORP.

Crankshaft Pulley Lock Bolt Disassembly Note

1. Install the SST to the rin

ear to lock the crankshaft a

ainst rotation.

2007 Mazda MX-5 Miata Sport

2006-08 ENGINE Mechanical - Overhaul - 2.0L (LF) & 2.3L (L3) - Mazda6 & MX-5 Miata

Microsoft

Fig. 5: Installing SST Ring Gear To Lock Crankshaft Against Rotation

Courtesy of MAZDA MOTORS CORP.

Front Oil Seal Disassembly Note

1. Remove the oil seal usin

a screwdriver.

2007 Mazda MX-5 Miata Sport

2006-08 ENGINE Mechanical - Overhaul - 2.0L (LF) & 2.3L (L3) - Mazda6 & MX-5 Miata

Microsoft

Fig. 6: Removing Oil Seal

Courtesy of MAZDA MOTORS CORP.

Chain Tensioner Disassembly Note

1. Unlock the chain tensioner ratchet using a suitable screw driver or equivalent tool.

2. Slowly press the tensioner piston.

3. Hold the chain tensioner piston with a 1.5 mm {0.06 in} wire or paper clip.

2007 Mazda MX-5 Miata Sport

2006-08 ENGINE Mechanical - Overhaul - 2.0L (LF) & 2.3L (L3) - Mazda6 & MX-5 Miata

Microsoft

Fig. 7: Disassembling Chain Tensioner

Courtesy of MAZDA MOTORS CORP.

Oil Pump Sprocket Disassembly Note

1. Hold the oil pump sprocket using the SST .

2007 Mazda MX-5 Miata Sport

2006-08 ENGINE Mechanical - Overhaul - 2.0L (LF) & 2.3L (L3) - Mazda6 & MX-5 Miata

Microsoft

Fig. 8: Holding Oil Pump Sprocket Using SST

Courtesy of MAZDA MOTORS CORP.

CYLINDER HEAD (I) DISASSEMBLY

1. Disassemble in the order indicated in the table.

2007 Mazda MX-5 Miata Sport

2006-08 ENGINE Mechanical - Overhaul - 2.0L (LF) & 2.3L (L3) - Mazda6 & MX-5 Miata

Microsoft

Fig. 9: Exploded View Of Cylinder Head (I) Disassembly

Courtesy of MAZDA MOTORS CORP.

Camshaft Sprocket Lock Bolt, Variable Valve Timing Actuator Lock Bolt Disassembly Note

1. Hold the camshaft by using a wrench on the cast hexagon as shown, and loosen the camshaft sprocket

2007 Mazda MX-5 Miata Sport

2006-08 ENGINE Mechanical - Overhaul - 2.0L (LF) & 2.3L (L3) - Mazda6 & MX-5 Miata

Microsoft

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