Mercury LN7 Car Starter Repair at your home or office.

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Car Starter Repair Estimate for Mercury LN7

Mercury LN7 Car Starter Repair costs $343 on average.

CarServiceEstimateShop/Dealer Price
1982 Mercury LN7L4-1.6LService typeCar Starter RepairEstimate$603.93Shop/Dealer Price$742.32 - $1129.57
1983 Mercury LN7L4-1.6LService typeCar Starter RepairEstimate$583.93Shop/Dealer Price$722.33 - $1109.60
Show example Mercury LN7 Car Starter Repair prices

Car Starter Repair Service

What's a car starter motor and how does it work?

The starter motor is a powerful, compact electric motor that will turn a car’s engine over at about 200 RPM in order to start the engine. The starter is at the terminus of a circuit that includes the battery, the ignition switch, a neutral safety switch, relays and fuses.

When you turn the ignition key to start, or press the start button in some vehicles, the starter circuit is completed and the starter will run. Most starters have a small pinion gear that engages a larger ring gear on the flywheel when the starter is powered on. The pinion gear turns the engine flywheel at about 200 RPM. Since the flywheel is directly connected to the crankshaft, all engine components will then turn in sync and the engine starts.

Starter

When to replace the starter?

Starters are relatively durable but most will eventually fail in one or more of the following ways:

  • Intermittent operation of the starter. Starters can develop bad spots on the armature which will cause intermittent operation. This causes the starter to work sometimes and other times when you turn the key nothing happens.
  • Starter turns too slowly. Internal electrical and mechanical faults can cause the starter to draw too much current and in some cases the current drawn will exceed what the battery can supply. A consequence is the engine may not start as rapidly.
  • Unusual noises on starting. If you hear any type of grinding or other unusual noise while starting the engine, that should be investigated as the noise could reflect an internal starter failure or the noise could be due to pinion gear failure or flywheel ring gear damage.
  • Starter doesn’t function when turning the key. In some cases, the first symptom of a starter malfunction is a complete failure of the starter motor. This happens when you turn the ignition key to start the car, the starter motor does not function at all.

How do mechanics repair the starter?

  • If the starter is determined to be faulty, the battery must be disconnected prior to commencing any work. Once the battery is disconnected, the wiring to the starter is disconnected.
  • Starters are bolted to the engine block or the transmission case. Generally, there are two bolts. The procedure to access the starter varies across car models and can require removal, or lowering, of other vehicle components.
  • Once the starter is removed and a new starter is installed, the mounting bolts are tightened to the OEM factory torque specifications, the electrical connections are cleaned and re-attached to the starter and the starter is tested to confirm normal operation.

Is it safe to drive with a starter problem?

Once a vehicle engine is running, the starter is not in use. However, if you know that the starter is malfunctioning or working intermittently, you may be left stranded if you turn the engine off and the starter doesn’t function when restarting the engine. Should you know or suspect a problem with the starter, it is best to have the problem repaired to avoid being left stranded.

When replacing a faulty starter keep in mind:

  • Prior to replacing the starter, simple diagnostic tests should be performed to ensure that the problem is a faulty starter versus a weak battery, faulty neutral start switch, or other faulty electrical component in the starter motor circuit.
  • Starters draw large amounts of current from the battery, much more than any other electrically powered device in your car. This makes it important that the electrical connections to the battery are inspected, cleaned, and tightened as necessary. Cables to the starter should also be inspected for corrosion and replaced as needed.

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Meet some of our expert Mercury mechanics

Real customer reviews from Mercury owners like you.

Excellent Rating

(58)

Rating Summary
53
4
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Frank

30 years of experience
60 reviews
Frank
30 years of experience
Mercury Sable V6-3.0L - Starter - Nashville, Tennessee
I was more than happy with the experience. Was more like having a good friend show up to help you, rather than a total stranger. Very friendly, courteous, and a very skilled mechanic. Am recommending him to all of my friends.

Richard

13 years of experience
601 reviews
Richard
13 years of experience
Mercury Milan L4-2.3L - Starter - Las Vegas, Nevada
great service from richard

Chris

22 years of experience
2174 reviews
Chris
22 years of experience
Mercury Sable V6-3.0L - Starter - Newport Beach, California
Great service, Chris showed up 10 minutes early, knew what he was doing and had the starter replaced in 30 minutes.

Andrew

11 years of experience
810 reviews
Andrew
11 years of experience
Mercury Sable V6-3.0L - Starter - Kansas City, Missouri
Punctual and professional. The work was done correctly and quickly!

Excellent Rating

(58)

Rating Summary
53
4
0
0
1
53
4
0
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1
Number of Mercury Starter Replacement services completed
638+
services done by our mechanics
TOTAL NUMBER OF EXPERT Mercury MECHANICS
600+
experts on our platform

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