Checker: 1981: Marathon DLX, 5.7L Eng VIN Z

This is a LEMON manual, retrieved in 2025.

• Repair and Diagnosis
• Repair and Diagnosis, all links on one page (may load slowly, but easier to search)
• Download .zip for offline use

This manual is identical to the manual for the following model variants, except for possibly the "Labor Times", "Fluids", and "Tire Fitment" pages:

• Marathon Base, 3.8L Eng VIN 1
• Marathon Base, 4.4L Eng VIN 2
• Marathon DLX, 4.4L Eng VIN 2
• Marathon Base, 5.0L Eng VIN 4
• Marathon DLX, 5.0L Eng VIN 4
• Marathon Base, 5.7L Eng VIN Z