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 MANUALSMERCURY1966MARAUDER 7.0L ENG VIN PREPAIR AND DIAGNOSIS (SINGLE PAGE)GENERAL INFORMATIONBASIC TROUBLE SHOOTINGBASIC TROUBLE SHOOTING - GENERAL INFORMATIONPOWERTRAINDRIVE AXLE - RWD TROUBLE SHOOTING
1966 Mercury Marauder 7.0L Eng VIN P
Drive Axle - RWD Trouble Shooting
1966 Mercury Marauder 7.0L Eng VIN PSECTION Drive Axle - RWD Trouble Shooting
NOTE:
This is GENERAL
information. This article is not intended to be specific to any unique situation or individual vehicle configuration. The purpose of this Trouble Shooting information is to provide a list of common causes to problem symptoms. For model-specific Trouble Shooting, refer to SUBJECT, DIAGNOSTIC, or TESTING articles available in the section(s) you are accessing. For definitions of listed noises or sounds, see DRIVE AXLE - NOISE DIAGNOSIS under POWERTRAIN.
DRIVE AXLE (RWD) TROUBLE SHOOTING
| CONDITION & POSSIBLE CAUSE | CORRECTION | |||
|---|---|---|---|---|
| Knocking or Clunking | ||||
| Differential Side Gear Clearance | Check Clearance | |||
| Worn Pinion Shaft | Replace Pinion Shaft | |||
| Axle Shaft End Play | Check End Play | |||
| Missing Gear Teeth | Check Differential/Replace Gear | |||
| Wrong Axle Backlash | Check Backlash | |||
| Misaligned Driveline | Realign Driveline | |||
| Clinking During Engagement | ||||
| Side Gear Clearance | Check Clearance | |||
| Ring and Pinion Backlash | Check Backlash | |||
| Worn/Loose Pinion Shaft | Replace Shaft/Bearing | |||
| Bad "U" Joint | Replace "U" Joint | |||
| Sticking Slip Yoke | Lube Slip Yoke | |||
| Broken Rear Axle Mount | Replace Mount | |||
| Loose Drive Shaft Flange | Check Flange | |||
| Click/Chatter On Turns | ||||
| Differential Side Gear Clearance | Check Clearance | |||
| Wrong Turn On Plates (1) | Replace Clutch Plates | |||
| Wrong Differential Lubricant (1) | Change Lubricant | |||
| Knock Or Click | ||||
| Flat Spot on Rear Wheel Bearing | Replace Wheel Bearing | |||
| Low Vibration At All Speeds | ||||
| Faulty Wheel Bearing | Replace Wheel Bearing | |||
| Faulty "U" Joint | Replace "U" Joint | |||
| Faulty Drive Shaft | Balance Drive Shaft | |||
| Faulty Companion Flange | Replace Flange | |||
| Faulty Slip Yoke Flange | Replace Flange | |||
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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.