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 MANUALSMERCURY2010MARINER HYBRID, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 880 (ENGINE - 3.0L (4V))ASSEMBLYENGINE
2010 Mercury Mariner Hybrid, AWD
Section 880 (Engine - 3.0L (4V)): Assembly: Engine
2010 Mercury Mariner Hybrid, AWDSECTION Engine
WARNING: This page is about a different car, the 2007 Mercury Mariner and 2007 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.
Special Tools
| Illustration | Tool Name | Tool Number |
|---|---|---|
| Installer, Camshaft Oil Seal | 303-464 (T94P-6256-BH) | |
| Installer, Camshaft Pulley | 303-458 (T94P-6312-AH3), part of 303-S455 | |
| Installer, Crankshaft Rear Main Oil Seal | 303-178 (T82L-6701-A) | |
| Installer, Crankshaft Vibration Damper | 303-102 (T74P-6316-B) | |
| Installer, Front Cover Oil Seal | 303-335 (T88T-6701-A) | |
| Installer, Power Steering Pump Pulley | 211-185 (T91P-3A733-A) | |
| Installer Bolts, Crankshaft Rear Main Oil Seal | 303-384 (T91P-6701-A) | |
| Lifting Brackets, Engine | 303-050 (T70P-6000) | |
| Protector, Camshaft Oil Seal | 303-463 (T94P-6256-AH) | |
| Spacer, Water Pump Pulley | 303-459 (T94P-6312-AH4), part of 303-S455 | |
| Spreader Bar | 303-D089 (D93P-6001-A3) or equivalent |
Material
| Item | Specification |
|---|---|
| Silicone Brake Caliper Grease and Dielectric Compound XG-3-A |
ESE-M1C171-A |
| Motorcraft Metal Surface Prep ZC-31 |
- |
| Motorcraft SAE 5W-20 Premium Synthetic Blend Motor Oil XO-5W20-QSP (US); Motorcraft SAE 5W-20 Super Premium Motor Oil CXO-5W20-LSP12 (Canada); or equivalent |
WSS-M2C930-A |
| Silicone Gasket and Sealant TA-30 |
WSE-M4G323-A4 |
| Item | Part Number | Description |
|---|---|---|
| 1 | 12A227 | Ignition pulse wheel |
| 2 | 6L266 | RH timing chain tensioner |
| 3 | 6K255 | RH timing chain tensioner arm |
| 4 | 6268 | RH timing chain |
| 5 | 6M256 | RH timing chain guide |
| 6 | 6306 | Crankshaft sprocket |
| 7 | 6L266 | LH timing chain tensioner |
| 8 | 6K255 | LH timing chain tensioner arm |
| 9 | 6268 | LH timing chain |
| 10 | 6B297 | LH timing chain guide |
| 11 | 6621 | Oil pump |
| 12 | W701923 | Cup plug |
| 13 | 6B752 | Oil separator gasket |
| 14 | - | Cover |
| 15 | 8A505 | Water inlet tube |
| 16 | 6701 | Crankshaft rear oil seal |
| 17 | - | Spacer plate |
| 18 | 6375 | Flexplate |
| 19 | - | Oil pressure sender |
| 20 | W705934 | Woodruff key |
| 21 | 6622 | Oil pickup tube and screen |
| 22 | 6687 | Oil pan baffle |
| 23 | 6714 | Oil filter |
| 24 | 6675 | Oil pan |
| 25 | 3A674 | Power steering pump and pulley |
| 26 | 6B209 | Accessory drive belt tensioner |
| 27 | 6700 | Crankshaft front seal |
| 28 | 6316 | Crankshaft vibration damper |
| 29 | W701511 | Crankshaft vibration damper washer |
| 30 | W701512 | Crankshaft vibration damper bolt |
| 31 | 6B288 | Crankshaft position (CKP) sensor |
| 32 | 6C315 | Camshaft position (CMP) sensor |
| 33 | - | Accessory drive belt idler pulley |
| 34 | 6019 | Front cover |
| Item | Part Number | Description |
|---|---|---|
| 1 | 6582 | RH valve cover |
| 2 | 18801 | Radio ignition interference capacitor |
| 3 | 12B637 | Engine control sensor and fuel charging wiring harness |
| 4 | - | Positive crankcase ventilation (PCV) valve |
| 5 | - | PCV tube |
| 6 | 9424 | Upper intake manifold |
| 7 | 9J472 | Exhaust gas recirculation (EGR) vacuum regulator |
| 8 | 9D460 | EGR valve |
| 9 | 9E498 | Vacuum harness |
| 10 | 9F715 | Idle air control (IAC) valve |
| 11 | 9E926 | Throttle body |
| 12 | 4682 | Fuel rail pressure and temperature sensor |
| 13 | 9F792 | Fuel rail |
| 14 | 9J477 | Lower intake manifold |
| 15 | 12A366 | Coil-on-plug (6 required) |
| 16 | 6A505 | LH valve cover |
| 17 | 6A359 | Coolant pump drive pulley |
| 18 | 6B293 | Rear seal retainer |
| 19 | 6A258 | Camshaft journal cap |
| 20 | 6B280 | Camshaft bearing cap |
| 21 | 6A269 | LH exhaust camshaft |
| 22 | 8548 | Coolant bypass tube |
| 23 | 6A267 | LH intake camshaft |
| 24 | 12405 | Spark plug |
| 25 | 6C501 | Hydraulic lash adjuster |
| 26 | 6514 | Valve spring retainer |
| 27 | 6529 | Camshaft follower |
| 28 | 6518 | Valve spring retainer key |
| 29 | 6513 | Valve spring |
| 30 | 6A517 | Valve stem seal |
| 31 | 8501 | Coolant pump |
| 32 | 8K543 | Coolant pump belt |
| 33 | - | LH engine lifting eye |
| 34 | - | Oil level indicator |
| 35 | 6754 | Oil level indicator tube |
| 36 | 6083 | LH cylinder head gasket |
| 37 | 6507 | Intake valve |
| 38 | 6505 | Exhaust valve |
| 39 | 6049 | LH cylinder head |
| 40 | 6051 | RH cylinder head gasket |
| 41 | 6050 | RH cylinder head |
| 42 | 6A266 | RH intake camshaft |
| 43 | 6A268 | RH exhaust camshaft |
| 44 | 6B280 | Camshaft bearing cap |
| 45 | 6A258 | Camshaft journal cap |
CAUTION:
During engine repair procedures, cleanliness is extremely important. Any foreign material, including any material created while cleaning gasket surfaces that enters the oil passages, coolant passages or the oil pan, can cause engine failure.
RENDER: 1.0x
NO RELATED
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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.