1D-88 Engine Mechanical: For J20 Engine
2nd Timing Chain and Chain Tensioner
Removal and Installation
S5JB0A1426024
CAUTION
!
After 2nd timing chain is removed, never turn
intake camshaft, exhaust camshaft and
crankshaft independently more than such an
extent as shown. If turned, interference may
occur between piston and valves and valves
themselves, and parts related to piston and
valves may be damaged.
Removal
1) Remove engine assembly from vehicle referring to
“Engine Assembly Removal and Installation: For J20
Engine”.
2) Remove oil pan. Refer to “Oil Pan and Oil Pump
Strainer Removal and Installation: For J20 Engine in
Section 1E” for removal.
3) Remove cylinder head cover. Refer to “Cylinder
Head Cover Removal and Installation: For J20
Engine” for removal.
4) Remove timing chain cover. Refer to “Timing Chain
Cover Removal and Installation: For J20 Engine” for
removal.
5) Turn crankshaft clockwise to meet the following
conditions.
• Key on crankshaft match with mark on cylinder
block (I).
• Arrow mark on idler sprocket points upward (II).
• Marks on cam sprockets match with marks on
cylinder head (III).
• Mark on crank sprocket match with mark on lower
crankcase (IV).
6) Remove timing chain tensioner adjuster No.2 (1) and
gasket. To remove them, slacken 2nd timing chain
by turning intake camshaft counterclockwise a little
while pushing back pad.
1. Knock pin of intake camshaft
2. Knock pin of exhaust camshaft
3. Timing mark of intake side
4. Timing mark of exhaust side
5. Match mark on crank timing sprocket
6. Timing mark on lower crankcase
“a”: Camshafts (IN & EX) allowable turning range..... Within 20
°
on both
right and left
“b”: Crankshaft allowable turning range..... Within 90
°
on both right and left
I5JB0A142060-01
1. Timing marks of intake camshaft timing sprocket
2. Timing marks of exhaust camshaft timing sprocket
3. Arrow mark on idler sprocket
4. Key on crankshaft
5. Timing mark of crankshaft timing sprocket
2, (III)
1, (III)
3, (II)
4, (I)
5, (IV)
I5JB0A142024-01
I2RH01140064-01
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