Mitsubishi 3000GT Convertible AWD Crankshaft Gear/Sprocket Costs

The average cost for a Mitsubishi 3000GT Convertible AWD Crankshaft Gear/Sprocket Replacement is between $109 - $203. Get an instant quote with our AI repair estimator.

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What is a crankshaft gear/sprocket?

A crankshaft gear, or sprocket, is an essential component within an internal combustion engine. It is a toothed wheel that is mounted onto the crankshaft, a rotating shaft within the engine that converts reciprocating linear piston motion into rotation. The crankshaft gear or sprocket is fundamental in linking the crankshaft to the timing belt or chain, ensuring the synchrony of the engine’s timing. This synchronization allows for the precise timing of the opening and closing of the engine's valves, which is crucial for optimal engine performance and efficiency. Without the crankshaft gear/sprocket functioning correctly, the engine’s timing could be significantly off, leading to issues such as poor engine performance and potentially severe engine damage.

Symptoms of a faulty crankshaft gear/sprocket

When the crankshaft gear or sprocket is faulty, several symptoms may arise, indicating the need for repair or replacement. One of the primary signs is a misalignment in engine timing, which can cause the engine to run rough, misfire, or stall. This occurs because the proper sequence of valve operation is compromised. Another symptom is unusual noise coming from the engine, such as a whining or clanking sound, which often suggests that the gear is worn down or has become loose. Additionally, if the vehicle’s timing chain or belt is slipping or skipping, it could also indicate an issue with the crankshaft gear. In advanced cases, the vehicle may fail to start if the gear is severely damaged. Recognizing these symptoms early can prevent further engine damage and costly repairs.

How urgent is crankshaft gear replacement?

Replacing a crankshaft gear/sprocket is relatively urgent due to its crucial role in engine timing. If you suspect that your crankshaft gear is failing, it is important to address the issue as soon as possible. Prolonging the repair can lead to significant engine problems, including bent valves, damaged pistons, and complete engine failure. Operating the vehicle with a faulty crankshaft gear can also lead to dangerous situations, such as engine stalls while in motion. It is advisable to have the issue diagnosed and repaired promptly by a professional mechanic to avoid expensive and potentially hazardous outcomes.

How much does crankshaft gear replacement cost?

The cost of replacing a crankshaft gear/sprocket can vary depending on the make and model of the vehicle and local labor rates. On average, you might expect to pay between $300 and $600, with parts and labor included. It is worth noting that while the part itself may not be overly expensive, much of the cost is tied to the labor involved in accessing and replacing the gear within the engine, which can be a complex and labor-intensive task. Ensuring work is performed by a qualified mechanic can prevent future issues and ensure the repair is successful.

5 FAQs about crankshaft gear replacement

What causes a crankshaft gear/sprocket to fail?
Crankshaft gears can fail due to normal wear and tear, especially in high-mileage vehicles. Additionally, if the timing belt or chain has excessive tension or is misaligned, it can put undue stress on the gear. Poor lubrication or the presence of debris can also cause wear and lead to failure.
Can I drive with a bad crankshaft gear?
It is not recommended to drive with a bad crankshaft gear as it might lead to engine misfires, stalling, or even more severe damage like bent valves or piston issues. Immediate repair is necessary to maintain the vehicle's safety and performance.
How can I prevent crankshaft gear failure?
Regular maintenance, such as timely replacement of the timing belt or chain, proper engine lubrication, and routine engine inspections, can help prevent crankshaft gear failure. Addressing any unusual sounds or symptoms early can also avert serious issues.
Are there any signs before a crankshaft gear completely fails?
Yes, before complete failure, you may notice the engine running roughly, misfiring, unusual noises from the engine, or issues with starting the car. These are warning signs that should prompt immediate attention.
Is crankshaft gear replacement a DIY task?
Crankshaft gear replacement is a complex task that typically requires specialized tools and mechanical expertise. It is advisable to have this procedure carried out by a professional mechanic to ensure all components are correctly aligned and functioning.

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1995 Mitsubishi 3000GT Convertible AWD V6-2972cc 3.0L DOHC Turbo - Crankshaft Gear/Sprocket Costs
Parts: $65.00
Labor: $88.00
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