Hydraulic Variable Valve Timing Actuator and Exhaust Camshaft Component Installation Note
WARNING: This page is about a different car, the 2016 Mazda CX-5. However, it is still accessible from the selected car via links, so may be relevant.
- As shown in the figure, apply gear oil (SAE No. 90 or equivalent) or engine oil to the center area (exhaust side) of each journal of the cylinder head.
Courtesy of MAZDA MOTORS CORP.
CAUTION:- Apply 0.05 ml {0.05 cc, 0.003 in3 } or less of oil to journal No. 6.
- Apply gear oil (SAE No. 90 or equivalent) or engine oil to the following locations of the exhaust camshaft.
- Thrust surface of front journal
- Remove the rope suspending the timing chain on the exhaust side.
- While aligning the mark on the timing chain placed during removal with the one on the hydraulic variable valve timing actuator, place the exhaust camshaft component on the cylinder head.
- As shown in the figure, apply gear oil (SAE No. 90 or equivalent) or engine oil to the center area of each journal of the exhaust camshaft.
- Apply sealant agent (Loctite 962T) around journal No. 6 of the cylinder head or the exhaust-side rear camshaft cap.NOTE:
- To prevent engine oil leakage, apply sealant around journal No. 6 of the cylinder head or the rear camshaft cap on the exhaust side, and seal the journal.
CAUTION:- Verify that there is no sealant agent on the journal.
Sealant agent bead width
- 0.5-1.5 mm {0.02-0.05 in}
- Install the camshaft caps in the marked number order, and temporarily tighten the camshaft cap installation bolts in two or three passes evenly.
- Tighten the camshaft cap installation bolts in two steps in the order shown in the figure.
Tightening torque
- First step: 3.0-6.0 N.m {31-61 kgf.cm, 27-53 in.lbf}
- Second step: 8-11 N.m {82-112 kgf.cm, 71-97 in.lbf}