Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSACURA2011TSX SPORT WAGON L4-2.4LREPAIR AND DIAGNOSISENGINE, COOLING AND EXHAUSTENGINETIMING COMPONENTSTIMING CHAINTESTING AND INSPECTION
2011 Acura TSX Sport Wagon L4-2.4L
Timing Chain: Testing and Inspection
2011 Acura TSX Sport Wagon L4-2.4LSECTION Testing and Inspection
Cam Chain Inspection
Special Tools Required
- Cam Chain Inspection Gauge 07AAJ-RWCA100
1. Remove the right front wheel.
2. Remove the front splash shield.
3. Remove the cylinder head cover Cylinder Head Cover Removal.
4. Rotate the crankshaft pulley two turns clockwise.
5. Set the No. 1 piston at top dead center (TDC). The punch mark (A) on the VTC actuator and the punch mark (B) on the exhaust camshaft sprocket should be at the top. Align the TDC marks (C) on the VTC actuator and the exhaust camshaft sprocket.
6. Measure the clearance between the cam chain (A) and the tensioner arm (B) with the cam chain inspection gauge.
- If the clearance is OK, go to step 17.
- If the clearance is more than the service limit, go to step 7.
7. Remove the oil pan Engine Oil Pan Removal.
8. Lift and support the engine with a jack and a wood block under the engine block.
NOTE: Do not hit the oil pump and the baffle plate when placing the jack on the edge of the engine block.
9. Remove the cam chain Cam Chain Removal, and check the teeth on the crankshaft sprocket, the VTC actuator, and the exhaust camshaft sprocket for wear and damage. If any of them are worn or damaged, replace if necessary.
10. Check the oil passage on the auto-tensioner for clogs. If the auto-tensioner is clogged, replace it.
11. Measure the length of the oil pump chain auto-tensioner rod.
12. If the length is over the service limit, replace the oil pump chain Removal and Replacement. When replacing, check the teeth on the crankshaft sprocket and the oil pump sprocket for wear and damage. If any of them are worn or damaged, replace if necessary.
13. Check the oil passage on the oil pump chain auto-tensioner for clogs. If the auto-tensioner is clogged, replace it.
14. Install the cam chain Cam Chain Installation.
15. Remove the jack and the wood block.
16. Install the oil pan Engine Oil Pan Installation.
17. Install the cylinder head cover Cylinder Head Cover Installation.
18. Install the front splash shield.
19. Install the right front wheel.
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.