THE HEATER WILL NOT BLOW HOT AIR, NO DEFROSTER, CAN'T SEE OUT OF WINDSHIELD. *KB
1998 Lincoln Mark Viii
Owner reports · Recalls · Investigations
Similar to other model years
Owner complaints for the 1998 Lincoln Mark Viii do not stand out strongly from the model-year median of 86.5.
About this comparison →How this year compares
Owner complaints by model year
Compare all Mark Viii years →Counts vary with age, sales and reporting. They are not failure rates.
What owners reported most
All reported categories
Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
26 reports with mileage · 57 unknown
NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.
What to inspect
Issues worth paying extra attention to based on owner reports.
- Visibility. Review the 23 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Exterior Lighting. Review the 11 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Suspension. Review the 9 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
Visibility complaints
23 reportsWEATHER CHANGE. HEATER BLEND DOOR WILL NOT OPEN. NO DEFROSTER OR HEATER IN WINTER WEATHER CAUSING PROBLEMS WITH SEEING OUT WINDSHIELD AND HYPOTHERMIA. I'VE HAD FIXED TWICE AT A COST OF $900 EACH TIME. ON ANY FORUM DEALING WITH THE MARK VIII IT IS A CONTINUING PROBLEM CAUSED BY A DEFECTIVE PART. IT SHOULD BE A MANUFACTURER'S RESP…
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WEATHER CHANGE. HEATER BLEND DOOR WILL NOT OPEN. NO DEFROSTER OR HEATER IN WINTER WEATHER CAUSING PROBLEMS WITH SEEING OUT WINDSHIELD AND HYPOTHERMIA. I'VE HAD FIXED TWICE AT A COST OF $900 EACH TIME. ON ANY FORUM DEALING WITH THE MARK VIII IT IS A CONTINUING PROBLEM CAUSED BY A DEFECTIVE PART. IT SHOULD BE A MANUFACTURER'S RESPONSIBILITY TO REPLACE DEFECTIVE PARTS WHICH CAUSE TRAFFIC HAZARDS, I.E., FAILURE TO DEFROST DUE TO BLEND DOOR NOT OPENING. PART IS LESS THAN $10, REPAIR IS LABOR INTENSIVE. *TR
TL*THE CONTACT OWNS A 1998 LINCOLN MARK VIII. WHILE BACKING OUT OF THE GARAGE, THE CONTACT COULD NOT SEE THROUGH A SMALL PORTION OF THE DRIVER SIDE DOOR MIRROR. APPROXIMATELY TWO WEEKS LATER, THE CONTACT COULD NOT SEE OUT OF THE ENTIRE MIRROR. THERE WERE NO RECALLS FOR THIS FAILURE. THE SPEED WAS UNKNOWN. THE CURRENT MILEAG…
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TL*THE CONTACT OWNS A 1998 LINCOLN MARK VIII. WHILE BACKING OUT OF THE GARAGE, THE CONTACT COULD NOT SEE THROUGH A SMALL PORTION OF THE DRIVER SIDE DOOR MIRROR. APPROXIMATELY TWO WEEKS LATER, THE CONTACT COULD NOT SEE OUT OF THE ENTIRE MIRROR. THERE WERE NO RECALLS FOR THIS FAILURE. THE SPEED WAS UNKNOWN. THE CURRENT MILEAGE WAS 24,875 AND FAILURE MILEAGE WAS 24,775.
THE BLEND DOOR THAT CONTROLS THE HEAT AND AIR CONDITIONING HAS STOPPED WORKING AND HAS RENDERED MY HEATING / COOLING SYSTEM DYSFUNCTIONAL. THIS SEEMS TO BE A WIDELY KNOWN ISSUE FOR THIS CAR (1998 LINCOLN MARK VIII LSC) - IT POSES A DANGEROUS AND TANGIBLE THREAT TO SAFETY CONSIDERING HEAT WILL NOT WORK TO DEFROST THE WINDOWS AND …
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THE BLEND DOOR THAT CONTROLS THE HEAT AND AIR CONDITIONING HAS STOPPED WORKING AND HAS RENDERED MY HEATING / COOLING SYSTEM DYSFUNCTIONAL. THIS SEEMS TO BE A WIDELY KNOWN ISSUE FOR THIS CAR (1998 LINCOLN MARK VIII LSC) - IT POSES A DANGEROUS AND TANGIBLE THREAT TO SAFETY CONSIDERING HEAT WILL NOT WORK TO DEFROST THE WINDOWS AND FRONT WINDSHIELD. *TR
CONTINUOUS PROBLEM WITH HEATER-A/C BLEND DOOR FAILURE RESULTING IN LACK OF DEFOGGING OF WINDSHIELD AND POOR VISIBILITY. ESPECIALLY DANGEROUS AT NIGHT IN CHANGING OUTSIDE TEMPERATURE CONDITIONS. THIS FAILURE HAS BEEN REPORTED TO YOUR OFFICES MANY TIMES IN THE PAST 5 YEARS WITH LINCOLN AND FORD VEHICLES . THE COST OF REPAIR …
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CONTINUOUS PROBLEM WITH HEATER-A/C BLEND DOOR FAILURE RESULTING IN LACK OF DEFOGGING OF WINDSHIELD AND POOR VISIBILITY. ESPECIALLY DANGEROUS AT NIGHT IN CHANGING OUTSIDE TEMPERATURE CONDITIONS. THIS FAILURE HAS BEEN REPORTED TO YOUR OFFICES MANY TIMES IN THE PAST 5 YEARS WITH LINCOLN AND FORD VEHICLES . THE COST OF REPAIR IS BETWEEN $500-$2000 DOLLARS. FORD HAS APPARENTLY MADE CHANGES TO STRENGTHEN THE BLEND DOOR LEVER BUT REFUSES TO ADMIT DESIGN FAILURE NOR WILL WARRANT THE ITEM. NHTSA HAS YET TO TAKE ANY ACTION ON THE CONSUMER'S PART. WE ARE THE PUBLIC AND YOUR CHARTER IS TO PROVIDE SUPPORT TO US, NOT THE AUTO MAKER. *JB
HEATER/AC BLENDER DOOR-DOORS,FAIL TO OPERATE AND OR HAVE "NO" TEMPETURE CONTROL,RESULTING IN POOR VISIBLITY.FOGGING ETC,LACK OF DEFROSTING AND OR A COLD DRIVER..SEE PREVIOUS 768368,768427,768529,768796,768173.7689173,769183,769959,10003517,10005626,10023956,10075009,AND NOW MINE ! THE ONLY THING THAT CHANGED IS THE COST OF REPA…
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HEATER/AC BLENDER DOOR-DOORS,FAIL TO OPERATE AND OR HAVE "NO" TEMPETURE CONTROL,RESULTING IN POOR VISIBLITY.FOGGING ETC,LACK OF DEFROSTING AND OR A COLD DRIVER..SEE PREVIOUS 768368,768427,768529,768796,768173.7689173,769183,769959,10003517,10005626,10023956,10075009,AND NOW MINE ! THE ONLY THING THAT CHANGED IS THE COST OF REPAIRS BY THE DEALER HAS GONE UP. I HAVE A WRITTEN ESTIMATE FOR( THE DASH HAS TO BE REMOVED) $680.00 LABOR.. PARTS AS FOUND/ TO BE $38.00,,$68.00,,$5.00,,$35.00 AND THAN MAYBE $350.00 MORE FOR A PLEMUM.. ($1,176.00) I UNDERSTAND THAT FORD HAS REPLACED THE PARTS WITH BETTER VERSIONS AS TO MATERIALS THAT WITH STAND THE DIFFERENT TEMPERATURES IT IS SUBJECT TOO.THIS APPARENT LACK OF ACTION BY NHTSA IS CAUSE FOR CONCERN AS TO YOUR UNINTEREST IN THE PUBLIC SAFETY NOT KNOWING HOW MANY OTHER VEHICLES ARE OUT THEIR WITH THIS HAZARDOUS DEFECT. HELP US,PROTECT US ,,THANK YOU. *AK
ELECTRONIC TEMPERATURE CONTROL FAILURES PREVENTS WINDSHIELD CLEARING WHEN INTERNAL TO EXTERNAL TEMPERTAURE DIFFERENTIAL FOGS THE GLASS. BLEND DOOR FAILS ON A SIGNIFICANT NUMBER OF LINCOLN MARK VIII MODELS. MINE HAPPENS TO BE A 1998. *AK IT'S BOUND TO LEAD TO ACCIDENTS
AT DIFFERENT TIMES THE DOOR AJAR INDICATOR WILL COME ON. THIS CAUSES THE INTERIOR LIGHTS IN THE VEHICHLE TO LIGHT UP AND IS EXTREMELY HAZARDOUS AT NIGHT. OFTEN TIMES IT WILL SWITCH FROM THE DRIVERS DOOR TO THE RIGHT PASSENGER DOOR AND ON OCCASION WILL INDICATE BOTH.(ONE GOES OUT AND THE OTHER STARTS) THIS ALSO CAUSES THE ALAR…
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AT DIFFERENT TIMES THE DOOR AJAR INDICATOR WILL COME ON. THIS CAUSES THE INTERIOR LIGHTS IN THE VEHICHLE TO LIGHT UP AND IS EXTREMELY HAZARDOUS AT NIGHT. OFTEN TIMES IT WILL SWITCH FROM THE DRIVERS DOOR TO THE RIGHT PASSENGER DOOR AND ON OCCASION WILL INDICATE BOTH.(ONE GOES OUT AND THE OTHER STARTS) THIS ALSO CAUSES THE ALARM SYSTEM TO ENGAGE. WHEN I EXIT THE VEHICLE, IF SENSORS INDICATE THAT ONE OF THE DOORS IS STILL AJAR, THE ALARM ACTIVATES INTERMITTENTLY. *AK
I HAVE BEEN REVIEWING THE FILE ON LINCOLN MARK 8'S '97 & 98 AND NOTICED THAT THERE WERE AT LEAST 10 COMPLAINTS ABOUT THE VENTILATION/HEATING/A/C BLEND DOOR PROBLEM WITH THIS CAR. HOW MANY COMPLAINTS DOES IT TAKE UNTIL YOU DO SOMETHING ABOUT IT???? THIS IS NOT ONLY A VERY EXPENSIVE REPAIR TO MAKE, BUT FAILURE, WHICH CAN HAPPEN …
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I HAVE BEEN REVIEWING THE FILE ON LINCOLN MARK 8'S '97 & 98 AND NOTICED THAT THERE WERE AT LEAST 10 COMPLAINTS ABOUT THE VENTILATION/HEATING/A/C BLEND DOOR PROBLEM WITH THIS CAR. HOW MANY COMPLAINTS DOES IT TAKE UNTIL YOU DO SOMETHING ABOUT IT???? THIS IS NOT ONLY A VERY EXPENSIVE REPAIR TO MAKE, BUT FAILURE, WHICH CAN HAPPEN WITHOUT WARNING, RESULTS IN WINDSHIELD FOGGING AND INABILITY OF THE SYSTEM TO CLEAR THE WINDSHIELD . THE LINCOLNS OF DISTINCTION CLUB, WHICH SUPPORTS MARK 8'S HAVE HAD OVER 30-40 FAILURES TO DATE, SOME REPEATEDLY. WE NOW FOUND THAT THIS FAILURE HAPPENS IN LINCOLN TOWN CAR/ TARAUS, ETC, AND THAT FORD HAS RECENTLY CHANGED THE REPLACEMENT PART DESIGNATION. THIS STRIKES US AS AN ACKNOWLEDGEMENT THAT THEY ARE AWARE OF THE PROBLEM, BUT DON'T WANT TO BELLY UP TO THE BAR AND ADMIT IT . CAN'T YOUR OFFICES DO ANYTHING OR IS THIS JUST A WASTE OF OUR TIME TRYING TO GET A GOVERNMENT AGENCY TO MOVE ON SOMETHING THAT THEY CLAIM THEY WANT TO ASSIST BUT ENDS IN FRUSTATION OF THE CITIZENS WHO TAKE YOUR CHARTER SERIOUSLY?.
BLEND DOOR ACTUATOR IS BROKEN. THIS CAUSES A SERIOUS VISIBILITY HAZARD DO TO FOG ON THE WINDOWS THAT COULD LEAD TO PERSONAL INJURY.
Official recalls
107V336000 · Vehicle Speed Control
Aug 3, 2007
ON CERTAIN PICKUP TRUCKS, PASSENGER VEHICLES, SPORT UTILITY VEHICLES, AND MOTOR HOMES CHASSIS, THE SPEED CONTROL DEACTIVATION SWITCH MAY, UNDER CERTAIN CONDITIONS, LEAK INTERNALLY AND THEN OVERHEAT, SMOKE, OR BURN.
Consequence & remedy
Consequence: THIS COULD RESULT IN AN UNDERHOOD FIRE.
Remedy: DEALERS WILL INSTALL A FUSED WIRING HARNESS. OWNERS OF THE PASSENGER CARS INCLUDED IN THIS CAMPAIGN WILL BE INSTRUCTED TO RETURN THEIR VEHICLES TO THEIR DEALERS TO HAVE THE SPEED CONTROL DEACTIVATION SWITCH DISCONNECTED AS AN INTERIM REPAIR. AS SOON AS REPAIR PARTS ARE AVAILABLE (EXPECTED OCTOBER 2007), OWNERS WILL BE INSTRUCTED TO RETURN TO THE DEALERS FOR INSTALLATION OF A FUSED WIRING HARNESS. THE RECALL BEGAN ON AUGUST 13, 2007, AND MAILING COMPLETED BY SEPTEMBER 19, 2007. OWNERS MAY CONTACT FORD AT 1-888-222-2751.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗
NHTSA investigations
0No exact-year investigations in this snapshot.
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