OEM Mercury Mystique Oil Pan

Mercury Mystique Oil Pan Parts and Q&A

• Oil Pan
  8L8Z-6675-A
  Q: How to service and repair the oil pan on Mercury Mystique?

  A:

  The first step for maintenance on the oil pan requires users to disconnect the battery ground cable followed by removing the Exhaust Manifold heat shield after disconnecting its upper bolt and nut. Start with removing the coolant hose bracket while detaching the engine lifting eye before you extract the engine oil dipstick tube and secure its bracket that holds the tube/hose (A/C). Following that step disconnect the Three Way Catalytic Converter (TWC) from the exhaust manifold by removing its lower bolts. The TWC can be removed by first supporting the vehicle then removing the bolt and retaining clip to separate it from the exhaust system along with disconnection of hanger insulators and electrical disconnection of Heated Oxygen Sensor (H02S) and lastly separating it from the clamp. Prior to removing the oil pan bolts drain the engine oil and put the drain plug in place before taking out the oil pan without damaging the facing surfaces by using a sharp spatula to split it from the lower crankcase and lightly tapping the drain plug after tightening with a rubber hammer if needed. The first step for installation requires wiping the old sealer off mating faces before inserting two M6 x 20 studs into the lower crankcase to guide the oil pan installation while thoroughly cleaning all mating surfaces from oil and residue. Fasten 3 mm sealer at the oil pan mating surface before installation within a ten-minute time frame. Tightening of the bolts must be done in a dual-stage process starting with Stage 1 at 6 Nm torque followed by Stage 2 at 10 Nm torque. The TWC installation requires a sequence where you feed it to exhaust manifold studs and Exhaust Pipe before bracket attachment while linking H02S electrical and hanger insulators installation and exhaust connection to maintain exhaust manifold contact. Finish securing the clip for the TWC followed by bolt installation before lowering the vehicle. The TWC needs to be joined again with the exhaust manifold while installing the exhaust manifold heat shield. You should put the oil level indication tube into the cylinder block followed by installing the coolant hose bracket and engine lifting eye and fastening the upper bolt and nut and the lower bolts before attaching the bracket to the A/C line. Use engine-grade oil to satisfy the defined quantity levels for filling the engine. Some abnormal drive symptoms will occur after reattaching the battery ground cable because the vehicle needs to relearn its adaptive strategy when driving at least 16 km (10 miles). Inspection of fluid levels should be followed by necessary corrections while vacuum hoses and wiring require secure cable ties for their routing.