Various Vehicles - Rear-View Mirror Concern Analysis (23-7092)
Reference number: 23-7092
Supersedes refnos: 22-7004
VARIOUS VEHICLES - REAR-VIEW MIRROR CONCERN ANALYSIS
TECHNICAL SERVICE BULLETIN
| FORD: | All Models |
SUMMARY
This article is designed to provide examples of interior and exterior rear-view mirror conditions/damage to assist in determining if the condition is warrantable or non-warrantable. Refer to the latest version of the Warranty and Policy Manual online for the latest rear-view mirror warranty coverage information.
Use this article to assist in determining warrantable interior and exterior rear-view mirror concerns.
SERVICE INFORMATION
Vehicles with power folding rear-view mirrors may exhibit concerns such as inoperative, folding with clicking sounds, vibrating/shaking in wind/while driving, does not lock firmly in drive position. This may occur when the exterior rear-view mirrors are manually folded in such as going through a car wash, being bumped in transportation or a parking lot, or only one mirror is folded in. This may be attributed to the power folding mirror being out of synchronization or damage to the mirror mount. Perform the mirror synchronization procedure prior to completing any additional diagnostics. Refer to WSM Section 501-09 Rear View Mirrors - General Procedures - Power Mirrors Synchronization.
Loose manual folding exterior rear-view mirrors are most commonly the result of damage to the assembly/mount. Closely inspect the exterior rear-view mirror after cleaning to review for witness marks/impact damage.
Loose interior rear-view mirror mounts are most commonly the result of not being seated or the mount/attachment being damaged. Reseating the mirror per the WSM, Section 501-09 Rear View Mirrors may correct this concern. If the windshield has been replaced, damage to the mount can occur from improper removal/installation.
PEN TEST
A pen test should be used to determine mirror glass impact damage. Slowly run the tip of a ball point pen inside the crack throughout its entire length. If an impact is present, the pen helps to feel an impression.
CLEANING PROCEDURE
Clean the entire mirror assembly and glass to assist in verification of the customer concern and/or impact damage using water, a cloth, and car wash soap as needed. Do not clean any mirror glass or housing with an ice scraper, razor blade, abrasive pad, harsh chemicals or petroleum based cleaning products, as these may damage the mirror glass and/or housing.
EXAMPLES OF NON-WARRANTABLE AND WARRANTABLE CONDITIONS
A rear-view mirror assembly can be damaged from abuse or impact and show little or no witness marks on housing. Shiny or flat spots, on the housing, indicate abuse or impact.
TYPICAL NON-WARRANTABLE DAMAGE FROM ABUSE OR IMPACT
Exterior mirror:
- Mirror glass missing
- Glass with scratches or cracks
- Glass loose due to broken pivot or missing jackscrews
- Scrapes on housing resulting from impact or abuse
- Attachments loose due to impact
- Broken mirror motor plate
- Glass reattached (glued) after impact
- Broken pivot neck/housing
Interior mirror
- Interior mirror glass cracked
- Broken windshield at mirror mount
- Interior mirror detached pivot
TYPICAL WARRANTABLE CONDITIONS
- Glass discoloration
- Distorted mirror glass reflection
- Electrical failure of motors and switches
- Wiring harness shorted
- Single line glass crack on heated mirror (verified with pen test)
- Single line glass stress crack (verified with pen test)
DIRTY MIRROR HOUSING (NON-WARRANTABLE) (FIGURE 1)
Dirty mirror housings cannot be properly inspected for outside source influence. Mirrors returned without proper cleaning are subject to warranty review and adjustment.
SCRAPES, IMPACT, BROKEN HOUSING, LOOSE ATTACHMENT (NON-WARRANTABLE) (FIGURE 2)
POWER FOLDING MIRROR DETENT PIN DAMAGE (NON-WARRANTABLE)(FIGURES 3-5)
Power-fold trailer tow mirrors are designed to operate the mirror between home to folded position. They are also designed to manually fold forward beyond home position. If the mirror is forcefully pushed beyond the forward fold position, the detent pin in the mirror is damaged and will not stop at home position using the power-fold button. To test this, push the power-fold button. If the mirror unfolds forward past home position (using the power fold button), it is not warrantable.
Figure 3
GRAIN REMOVED FROM PLASTIC MIRROR HOUSING (NON-WARRANTABLE) (FIGURE 6)
Physical damage that is often accompanied by power-fold mirror detent pin damage.
GLASS LOOSE, BROKEN MOTOR (NON-WARRANTABLE) (FIGURE 7-8)
Missing mirror glass/backing plate missing (non-warrantable) (Figure 8)
DISCOLORED HOUSING (NON-WARRANTABLE) (FIGURE 9)
Stains may have a liquid drip or spray pattern (shown) from contact with harsh liquids.
DISCOLORED GLASS (WARRANTABLE) (FIGURE 10)
DISTORTED MIRROR GLASS REFLECTION (WARRANTABLE) (FIGURE 11)
SINGLE LINE CRACK ON HEATED MIRROR (WARRANTABLE) (FIGURE 12)
This crack will occur from thermal stress. Refer to the pen test at the beginning of this article to determine impact damage.
DISTORTED PUDDLE LAMP PROJECTED IMAGE (WARRANTABLE) (FIGURE 13)
PORTION OF MISSING GLASS (WARRANTABLE) (FIGURE 14)
Adhesive is still present on the mirror backing plate which and securely attached to the motor.
INTERIOR MIRROR GLASS CRACKED (NON-WARRANTABLE) (FIGURE 15)
Excessive force including improper removal/installation.
BROKEN WINDSHIELD (NON-WARRANTABLE) (FIGURE 16)
Excessive force including improper removal/installation.
INTERIOR MIRROR DETACHED PIVOT (NON-WARRANTABLE) (FIGURE 17)
Excessive force will detach the press fit pivots.
BLOCKED LIGHT SENSOR (NON-WARRANTABLE) (FIGURE 18)
Obstruction will cause inoperative automatic high beam.
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