Mercury DU2Z-11V002-BRM Starter Motor Assembly

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Installation is the reverse of removal. Tighten the starter mounting stud and bolt securely.

Do not immediately assume that the starter is causing the problem. First, check the following items: a) Make sure that the battery cable clamps are clean and tight where they connect to the battery. b) Check the condition of the battery cables and replace any defective ones with new parts. c) Test the condition of the battery; if it does not pass all tests, replace it with a new battery. d) Check the starter solenoid wiring and connections. e) Check the starter mounting bolts for tightness. f) Ensure that the shift lever is in PARK or NEUTRAL (for automatic transaxle) or that the clutch pedal is pressed (for manual transaxle). g) Check the adjustment of the Transmission Range (TR) sensor on vehicles with an automatic transaxle. For manual transaxle vehicles, ensure that the Clutch Pedal Position (CPP) switch is correctly installed. h) Check the operation of the starter relay located in the engine compartment fuse and relay box.

Remove the air intake duct, then remove the air filter housing and Mass Air Flow (MAF) sensor as a single assembly.

The Powertrain Control Module (PCM) must relearn its idle and fuel trim strategy for optimum driveability and performance.

The battery cables might overheat due to the large amount of current being drawn from the battery. Discontinue testing until the starting system has cooled down. If the starter motor cranking amp values are not within the correct range, replace it with a new unit. Ensure the battery is in good condition, the cold-cranking rating is adequate, and that the battery terminals and cables are clean and not corroded. In extreme cold temperatures, warm the battery or engine block before performing tests.