Camshaft Installation Note

WARNING: This page is about a different variant/trim than selected.

Apply SAE90 gear oil or equivalent, or engine oil to the positions shown in the figure below.

Courtesy of MAZDA MOTORS CORP.

SYMBOL AND CONTENT DESCRIPTION

Symbol	Content
	Gear oil (SAE 90 or equivalent) or engine oil

Apply gear oil (SAE 90 or equivalent) or engine oil to the thrust surface (both surfaces front and back) of the front journal on each camshaft.

Align the cam position of cylinder No. 1 near the top dead center (TDC) and place the intake camshaft on the cylinder head as shown in the figure below.

Courtesy of MAZDA MOTORS CORP.

COMPONENT OPERATIONS

Component no	Refer to
1	Intake camshaft
2	Cylinder head

Remove the rope suspending the timing chain from the exhaust side.

While aligning the paint marks on the hydraulic variable valve timing actuator with the timing chain marked during removal, place the exhaust camshaft component on the cylinder head.

Courtesy of MAZDA MOTORS CORP.

COMPONENT OPERATIONS

Component no	Refer to
1	Exhaust camshaft component
2	Paint mark

Apply SAE 90 gear oil or equivalent, or engine oil to the central area of each journal on the camshaft.
Apply SAE 90 gear oil or equivalent, or engine oil to the thrust surface of the front camshaft cap.

Apply sealant (Loctite 962T) to the rear camshaft cap installation area on the exhaust side of the cylinder head or the rear camshaft cap on the exhaust.

Courtesy of MAZDA MOTORS CORP.

SYMBOL AND CONTENT DESCRIPTION

Symbol	Content
	Loctite 962T Sealant bead width: 1-3 mm {0.04-0.11 in};
1	Cylinder head
2	Exhaust side rear camshaft cap
3	Groove

Install the camshaft caps in the order of the marked numbers, and temporarily tighten the camshaft cap installation bolts evenly in two or three times.

Courtesy of MAZDA MOTORS CORP.

COMPONENT OPERATIONS

Component no	Refer to
1	Marked number

Tighten the camshaft cap installation bolts in 2 steps in the order shown in the figure below.

Fig 1: Camshaft Cap Installation Bolts Tightening Sequence

Courtesy of MAZDA MOTORS CORP.

TIGHTENING TORQUE SPECIFICATIONS

Symbol	Content
(1) (2)...	Servicing procedure
	9.5 N.m {97 kgf.m, 84 ft.lb}