Mercury Grand Marquis owners have reported 209 problems related to manifold/header/muffler/tail pipe (under the engine and engine cooling category). The most recently reported issues are listed below. Also please check out the statistics and reliability analysis of Mercury Grand Marquis based on all problems reported for the Grand Marquis.
The contact owns a 1999 Mercury Grand Marquis. The contact stated that the vehicle had a leaking intake manifold. The vehicle was taken to an independent mechanic and diagnosed that the intake manifold needed to be replaced. The vehicle was not repaired. The dealer and manufacturer were made aware of the failure but informed the contact that there was no recall associated with the VIN. The failure mileage was approximately 120,000.
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The intake manifold is crack.
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all problems of the 2000 Mercury Grand Marquis
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Tl- the contact owns a 2007 Mercury Grand Marquis. The contact stated that when the vehicle was started, the check engine light illuminated and flashed the vehicle was taken to an independent mechanic who diagnosed that the intake manifold was cracked and leaked anti-freeze into the oil. The manufacturer was not made aware of the failure. The vehicle was not repaired. The failure mileage was 140,000. Fe.
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Tl- the contact owns a 2001 Mercury Grand Marquis. The contact stated that the intake manifold was leaking antifreeze to the coil pack on cylinder 8. The contact stated that there was a manufacturer warranty that was placed on these vehicles regarding this failure. The contact spoke with davis Ford 2111 n main st, canton, IL 61520 (309) 647-1111 where he was informed that he would have to call the manufacturer to have the vehicle serviced under warranty. The manufacturer was notified and informed him that he would have to call NHTSA in order for the manufacturer to enforce the manufacturer warranty. The vehicle had not been repaired. The failure mileage was 133,000. Jo.
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On the 1999 Mercury Grand Marquis LS 4. 6 l v8 the original plastic intake manifold cracked and busted wide open causing all the coolant / antifreeze to pour out. From what I gather there was a recall on this years ago and they made a different intake manifold which was aluminum for the part that the thermostat goes into and the rest of it was plastic. If this isn't caught in time and all the fluid leaks out it will completely destroying your engine also. Mine cracked while it was in park just running.
Tl the contact owns a 2000 Mercury Grand Marquis. While driving various speeds, the vehicle hesitated to accelerate. The failure occurred most frequently when traveling up hill. The failure was intermittent and the check engine warning indicator illuminated. The dealer was not notified. The vehicle was not diagnosed or repaired. The contact sprayed carburetor fluid on the intake manifold and noticed a crack. The manufacturer was made aware of the failure. The failure mileage was 118,000.
Tl the contact owns a 2005 Mercury Grand Marquis. While driving at an unknown speed, the plastic cover of the intake manifold fractured and leaked water all over the yard without warning. The dealer was not called. The manufacturer was made aware of the failure and informed the contact to call NHTSA. The failure was not repaired. The failure mileage was approximately 115,000.
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Tl-the contact owns a 2001 Mercury Grand Marquis. The contact stated that the vehicle was blowing white smoke. The vehicle was taken to an independent mechanic who stated that the problem was the intake manifold. The vehicle was taken to the dealer malouf Ford - Lincoln, inc 2210 us-1, north brunswick township, NJ 08902 (732) 951-0300 where the intake manifold was replaced. The vehicle started to smoke white smoke again and the contact took the vehicle back to a independent mechanic. The contact called the manufacturer and asked to speak to a case manager. The manufacturer was to call back or mail a response. The failure mileage was 135,000. Tf.
The contact owns a 1999 Mercury Grand Marquis. While the vehicle was parked with the engine running, the contact shifted into reverse and noticed steam coming from the hood. The vehicle was then shifted back into park and turned off the engine. Upon opening the hood, the contact noticed that a part of the manifold was missing the thermostat. The contact was unsure of any warning indicators illuminating. The contact went to bill macdonald Ford (1200 s carney dr, st clair, mi 48079, (810) 329-6601) and was informed there were no recalls. The vehicle was not diagnosed or repaired. The manufacturer was not made aware of the issue. The failure mileage was approximately 135,000.
The 1996-2001 Mercury Grand Marquis with a 100% plastic intake manifold is known for engine overheating, even with normal use, and a coolant leak from the front of the manifold. This will often trigger the check engine light and low engine coolant warning light. The engine coolant leak is from a factory defect, which causes cracking on the front coolant passage of the intake manifold. In a very short time, this leak will lead to engine overheating issues, especially while the vehicle is idling. This is exactly what happened. I think the car part should have been replaced by Ford when they new about the plastic intake manifold.
Plastic intake manifold failed, antifreeze leaking from around thermostat due to this failure and leaking into coil packs and causing major misfire in motor. Happened suddenly, no indication of leak prior to this failure. Was driving when this happened and had to call for help to get vehicle back home, and now can't drive it . Cost to fix is expensive, and the car ran great until this happened. Sounded like I has thrown a rod, popping louder on exceleration, so I immediately parked it and turned off the motor.
Intake manifold cracked and leaked coolant onto the coils and spark plugs. Hence causing rough running engine and lack of performance.
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Tl- the contact owns a 2002 Mercury Grand Marquis. The contact stated that there was a premature failure in which there was an internal crack on the intake manifold that caused water intrusion affecting other components due to the failure. The vehicle was to be inspected and diagnosed by a mechanic or a dealer. The manufacturer was notified of the failure. The approximate failure mileage was not available. Dyd.
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Tl-the contact owns a 2004 Mercury Grand Marquis. The contact stated that while driving at 30 mph, smoke emitted from the engine compartment of the vehicle. Upon inspection, the contact noticed that there was no coolant in the vehicle. The coolant was replenished and the vehicle was taken to an independent mechanic where it was diagnosed that the intake manifold had fractured and needed to be replaced. The vehicle was not repaired. The manufacturer was notified of the failure. The failure mileage was unknown. Ss.
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The contact owns a 1998 Mercury Grand Marquis. While driving various speeds, the engine misfired and hesitated to respond. The vehicle was taken to an independent mechanic who diagnosed that the plastic intake manifold was cracked, which caused anti freeze to leak out and damage the engine coils. The vehicle was repaired. The manufacturer was not notified of the failure. The failure mileage was 80,000.
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The contact owns a 2004 Mercury Grand Marquis. The contact stated that the exterior headlamps independently failed. The contact stated that the headlamps would sporadically work after a period of time. The vehicle was not diagnosed nor repaired. Prior to the failure, the intake manifold leaked anti-freeze. The vehicle was taken to the dealer where it was confirmed that the intake manifold needed to be replaced. The vehicle was repaired. The manufacturer was notified of the failures. The failure mileage was 96,794.
At 110000 miles my engine started to run very ruff,and would die out at an idle,took it to the dealer and was told it has a cracked plastick intake manifold. When I expressed my concern about putting another plastic part back on,I was told they have redesigned the part because of all the problems they have had with the 4. 6 ltr engine and the plastic intakes!.
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Coolant leak from crack in plastic intake manifold. This car only has 97,130 miles on it and well cared for. They should not be using plastic in this application - it should be iron or aluminum. This is a common problem I was told with the 4. 6 v8 engine. Ford needs to recall these and replace at no cost to customer. I will be writing a letter to Ford if the dealer doesn't cover this as a recall. Ridiculous to use plastic in this application.
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all problems of the 1997 Mercury Grand Marquis
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The left hand (driver side) heat shield that covers the exhaust manifold has completely rusted at the bolting points causing the cover to dislodge and drag against the steering shaft . Several timse while turning at intersections, especially when making left turns, the steering would temporarily lock up for a few seconds making turning extremely hazardous. Once I almost struck another vehicle due to the steering being locked while turning. I initially suspected low power steering fluid but fluid checked correct and pump seems to be working fine. I did not notice the rusted cover pinned between the steering shaft and manifold until I removed the engine cover and air intake tubing to access the spark plugs. I removed the rusted shield and the car turns just fine now. I have the rusted shield available for inspection if needed. Thanks.
Leaking coolant from the plastic intake manifold. Ford want's $500. 00+ for a new one. I can get one from ebay for $150. 00.
Driving on the hwy and the car started to overheat with hot steam shooting out from the engine and it also had a strong coolant smell. The car could not be driven until l it had $1,500 in repairs for a known, leaking plastic manifold issue. This failed part cracks and leaks into the hot engine area. And, Ford had redesigned the failed part. Additionally, Ford had once offered free fixes for a few months for police cars ans taxi cabs with the same engines under a class action law suit but didn't tell the owners about. Thousands of consumers were ripped off because Ford should have fixed this issue under the class action recall. But they didn't bother notify anyone about the three month recall window. In checking the NHTSA records, there are thousands of us with the same reported problem. Please take some corrective action for us.
While replacing the thermostat, a crack developed in the plastic crossover channel in the plastic intake manifold allowing the engine coolant to leak when the thermostat opened. Ford knows this to be defective and has replaced the all plastic manifold with an aluminum crossover for the coolant. The vehicle has 71,290 miles.
The contact owns a 1999 Mercury Grand Marquis. The contact stated that water was leaking from under the vehicle. The vehicle was taken to an independent mechanic for diagnosis where the contact was advised that the intake manifold would have to be replaced because it was fractured. The manufacturer was made aware of the failure. The vehicle was not repaired. The approximate failure mileage was 114,000.
Tl- the contact owns a 2004 Mercury Grand Marquis. The contact stated that there was a continuous coolant leak intermittently. The vehicle was towed to an authorized dealer who diagnosed that the intake manifold needed to be replaced. The vehicle was repaired. The contact stated that the manufacturer did not disclose that the part was modified from plastic to metal. The contact had experienced multiple leaks before the part was modified to metal. The manufacturer was notified of the failure. The approximate failure mileage was 85,000. Dyd.
Plastic intake manifold on 4. 6 liter engine found to be cracked and leaking coolant. The loss of coolant results in the vehicle becoming disabled and/or unsafe to drive. Leaking coolant is also toxic to children and animals, as they are more likely to be in contact with coolant on the ground or garage floor. This defective part (plastic intake manifold) was identified by Ford motor company as defective and quietly settled in a class action lawsuit. Replacement parts have been redesigned. However, Ford did not contact customers with this model car to notify them of the defective part or to offer resolution. Earlier models of this engine (and all other engines) used a metal intake manifold. These were not problematic. Intake manifolds are not a moving part of the vehicle engine, and are not subject to ware. The plastic material used in the problem manifolds are not able to withstand the normal temperature fluctuations of a vehicle engine and are therefore prone to failure. Ford has been contacted in an attempt to resolve this issue, but the company has declined to offer any resolution whatsoever.
Vehicle started to buck and when I pulled my vehicle over I lifted the hood. I found anti-freeze flowing on the top of my engine. I had it towed to my local garage & they told me that the intake manifold is cracked. I did some research and found out there's a recall on this part. When I called my local Ford dealer, they told me there is a recall on this part, but it's only for police and fleet vehicles only. Now that this was said to me, I was told by my garage it would cost me $1000 to fix. Something I don't have. Ford was not very cooperative about my situation and I'm very disappointed.
Tl-the contact owns a 2000 Mercury Grand Marquis. The contact stated the vehicle started to over heated while driving 35 mph. The contact notice fluid leaking from underneath the vehicle. The contact took the vehicle to a local mechanic. The mechanic noticed a coolant leak. The mechanic stated three cracks were on the intake manifold. The mechanic replaced the intake manifold. The failure mileage was 132, 208. Jo.
While driving home on interstate 35 north of minneapolis, mn, the intake manifold cracked and lost anti freeze. Pulled off the highway at forest lake, mn and had to be towed to tires plus in forest lake to have the car repaired. Total cost for towing, intake manifold replacement and nights lodging came to almost $1500. 00.
1997 Mercury Grand Marquis. Consumer writes in regards to cracked intake manifold in vehicle.
Tl - the contact owns a 2007 Mercury Grand Marquis. The contact stated the while attempting to start the vehicle, he heard a loud noise. The vehicle was taken to the dealer where the technician diagnosed that a spark plug had blown out of the engine head. In addition, the contact mentioned that the vehicle started to overheat without warning. The vehicle was taken to the dealer and the technician diagnosed that the thermostat was defective and needed to be replaced. The failure recurred and the vehicle was taken back to the dealer, who then advised that the intake manifold needed to be replaced. The manufacturer was made aware of the failure but did not offer any assistance. The vehicle was repaired. The failure mileage was 108,000 and the current mileage was 118,000. Kmj.
A crack in my exhaust manifold behind the alternator causing coolant to spray all over under my hood and now my engine overheats. . Thanks for using plastic parts Ford .
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The contact owns a 1999 Mercury Grand Marquis. The contact stated that the vehicle would stall sporadically and without warning. A local mechanic diagnosed that the intake manifold would need to be replaced. The dealer was contacted, but denied any assistance with repairs to the defect. The manufacturer was not made aware of the failure and the vehicle was not repaired. The failure mileage was 90,200 and the current mileage was 91,000.
I had what seems to be a simple coolent leak but it turned out to be the plastic intake manifold cracked. Putting a plastic part on top of a motor seems to me a failure of engineering on the part of Ford. I did not receive any call back for this part. I did some searching on the web and found that many Ford owners had the same problem. I plan to call Ford company on Monday. Do you have any info for me on this subject. Thank you.
Paint is peeling, like there was never a primer put on the vehicle. Also the vehicle surges quite often. I have replaced the manifold spark plugs several times also coils. Is there a recall on Mercurys paint that I can get some help with?.
The contact owns a 1997 Mercury Grand Marquis. The contact stated that while driving approximately 50 mph, the vehicle suddenly overheated. The vehicle was taken to a local mechanic who replaced the intake manifold. The manufacturer was not notified. The current and failure mileages were approximately 114,000.
Problem Category | Number of Problems |
---|---|
Manifold/header/muffler/tail Pipe problems | |
Engine And Engine Cooling problems | |
Engine Cooling System problems | |
Engine problems | |
Car Stall problems | |
Gasoline Engine problems | |
Engine Exhaust System problems | |
Engine Shut Off Without Warning problems | |
Engine Belts And Pulleys problems | |
Engine Oil Leaking problems |