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Home >> Mazda >> 2021 >> CX-30 Turbo Premium >> Repair and Diagnosis >> External Pages >> Different car >> Section 89 (Engine Mechanical System (VIN L)) >> Timing Chain Removal/Installation >> Notes

Timing Chain Removal/Installation: Notes

WARNING: This page is about a different car, the 2020 Mazda CX-30. However, it is still accessible from the selected car via links, so may be relevant.

Special Service Tool (SST) 

1.: Mazda SST number
2.: Global SST number
  1. 49 C017 5A0
  2. -
Engine support set
G13556551Courtesy of MAZDA MOTORS CORP.
  1. 49 UN30 3050
  2. 303-050
Engine lifting bracket
G13556552Courtesy of MAZDA MOTORS CORP.
  1. 49 L017 5A0
  2. -
Support hanger
G13556553Courtesy of MAZDA MOTORS CORP.

Replacement Part 

Washer O-ring Cylinder head cover gasket
Quantity: 1 Quantity: 1 Quantity: 1
Location of use: Engine front cover Location of use: Electric variable valve timing motor/driver Location of use: Cylinder head cover
Front oil seal - -
Quantity: 1
Location of use: Engine front cover
WARNING:
  • A hot engine can cause severe burns. Turn off the engine and wait until it is cool before servicing.
CAUTION:
  • If the camshaft is rotated with the timing chain removed and the piston at the top dead center position, the valve may contact the piston and the engine could be damaged. When rotating the camshaft with the timing chain removed, rotate it after lowering the piston from the top dead center position.
  • When rotating the camshaft using a wrench on the cast hexagon, the wrench may contact the rocker arm and damage the rocker arm. To prevent damage to the rocker arm when holding the camshaft on the cast hexagon, use a wrench on the rear side of the engine as shown in the illustration to secure a clearance between the cam.
G11436786Courtesy of MAZDA MOTORS CORP.
NOTE:
  • Width at the cast hexagon of the camshaft is22-24 mm {0.87-0.94 in}.
G11436787Courtesy of MAZDA MOTORS CORP.
  1. Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION [(US)] .)
  2. Remove the plug hole plate. (See PLUG HOLE PLATE REMOVAL/INSTALLATION .)
  3. Remove the ignition coil/ion sensors. (See IGNITION COIL/ION SENSOR REMOVAL/INSTALLATION .)
  4. Remove the front under cover No. 2. (See FRONT UNDER COVER No. 2 REMOVAL/INSTALLATION .)
  5. Remove the splash shield. (See SPLASH SHIELD REMOVAL/INSTALLATION .)
  6. Remove the drive belt. (See DRIVE BELT REMOVAL/INSTALLATION .)
  7. Drain the engine oil. (See ENGINE OIL REPLACEMENT .)
  8. Remove the oil pan. (See OIL PAN REMOVAL/INSTALLATION .)
  9. Remove in the order indicated in the table.
  10. Install in the reverse order of removal.
  11. Refill with the specified type and amount of the engine oil. (See ENGINE OIL REPLACEMENT .)
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