Mazda MX-5 NA silhouetteMX-5 NA

TIMING BELT — Removal / Installation

B-12parts diagram

P/S and/or A/C equipped variants share the same belt-removal sequence.

Removal / Installation

Removal / Installation

  1. 1
    Disconnect the negative battery cable.
  2. 2
    Drain the engine coolant.
  3. 3
    Remove in the order shown in the figure, referring to Removal Note.
    Exploded view of the timing belt and surrounding components with numbered balloon callouts (1-19) and torque specifications. Shows air intake pipe, upper radiator hose, water hoses, drive belts, alternator, water pump pulley, crankshaft pulley, timing belt guide plates, ignition coil, spark plug, cylinder head cover, timing belt covers (upper/middle/lower), timing belt, tensioner with spring, and idler pulley. Torque values shown in N·m (m-kg, ft-lb).
    05U0BX-023
  4. 4
    Install in the reverse order of removal, referring to Installation Note.
Parts DiagramFig. fig1
#Part NameNotes
1Air intake pipe
2Upper radiator hose
3Water hoses (Connect to thermostat housing)
4P/S and/or A/C drive beltRemoval / Installation: page B-6
5Alternator drive beltRemoval / Installation: page B-6
6Water pump pulley
7Plate
8Crankshaft pulley
9Timing belt guide plate, outer
10Timing belt guide plate, innerInstallation Note: page B-15
11Ignition coil and high-tension lead
12Spark plugInstallation Note: page B-15
13Cylinder head coverInstallation Note: page B-15
14Timing belt cover, upper
15Timing belt cover, middle
16Timing belt cover, lower
17Timing beltRemoval Note: page B-13; Installation Note: page B-13; Inspection: page B-59
18Tensioner, tensioner springRemoval Note: page B-13; Inspection: page B-59
19IdlerInspection: page B-59
Tightening torque (item A near coil)
19 - 25N·m
Tightening torque (item B spark plug)
15 - 23N·m
Tightening torque (cylinder head cover)
4.9 - 8.8N·m
Tightening torque (timing belt covers)
7.8 - 11N·m
Tightening torque (idler/tensioner area)
37 - 52N·m
Tightening torque (water pump area)
7.8 - 11N·m
Tightening torque (lower bracket)
12 - 17N·m

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