Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Visual Inspection



Visual Inspection
This inspection will identify modifications or additions to the vehicle operating system that may affect diagnosis.

Inspect the vehicle for non-Ford factory add-on devices such as:

- Electronic add-on items:
- air conditioning
- generator (alternator)
- engine turbo
- cellular telephone
- cruise control
- CB radio
- linear amplifiers
- backup alarm signal
- computer

- Vehicle modification:
- These items, if not installed correctly, will affect the Powertrain Control Module (PCM), or transaxle function.
Pay particular attention to add-on wiring splices in the PCM harness or transaxle wiring harness, abnormal tire size, or axle ratio modifications.

- Leaks. Leakage Inspection

- Correct linkage adjustments. Shift Linkage Check