Mitsubishi Expo AWD Piston, Engine Costs
The average cost for a Mitsubishi Expo AWD Piston, Engine Replacement is between $72 - $133. Get an instant quote with our AI repair estimator.
What is an engine piston?
An engine piston is a vital component in an internal combustion engine. It is a cylindrical piece that moves up and down within a cylinder. This motion is critical for converting the energy from the combusted fuel into mechanical power that drives the vehicle. Pistons are typically made of aluminum or steel alloys due to their need to withstand high pressure and temperature. The piston works in conjunction with the crankshaft and connecting rod to complete the engine's power cycle, which includes intake, compression, combustion, and exhaust strokes. A precise fit with cylinder walls ensures efficient operation and minimal energy loss.
Symptoms of a faulty engine piston
When an engine piston becomes faulty or damaged, it can lead to a series of noticeable symptoms. One of the most common signs is excessive oil consumption or the presence of oil in the air filter. This condition arises from poor sealing in the combustion chamber due to worn piston rings, leading to oil leaking into the chamber. Additionally, you may experience a lack of engine power, often noticeable during acceleration, since the inefficient piston reduces the engine's ability to generate the necessary power. Another symptom is unusual engine noises such as knocking or rattling. These sounds occur from loose elements within the piston or damage that causes it to move improperly within the cylinder. A decrease in fuel efficiency can also indicate piston trouble, as the engine requires more fuel to compensate for power loss. Lastly, blue smoke from the exhaust is a telltale sign that oil is burning within the combustion process, a direct result of piston-related issues.
How urgent is engine piston repair?
Repairing a damaged engine piston is a high-priority task. A faulty piston can lead to significant engine damage if not addressed promptly. Ignoring the situation can exacerbate oil leakage, cause severe engine wear, and ultimately lead to engine failure, which is far more costly than replacing a piston. Additionally, operating with a compromised piston can lead to unsafe driving conditions, such as sudden power loss. Addressing piston issues early not only maintains vehicle safety but also prolongs the engine's lifespan and ensures optimal performance.
How much does engine piston replacement cost?
The cost of replacing an engine piston can vary greatly depending on the vehicle's make and model, as well as labor rates in your area. Generally, you can expect to pay anywhere between $1,000 to $5,000. The piston itself is relatively inexpensive, but the replacement procedure is labor-intensive as it involves a complete engine disassembly. This complexity influences the overall cost heavily. It's advisable to get a detailed quote from a reliable mechanic who can also identify any additional parts that might need replacement during the repair process.
5 FAQs about engine pistons
- What causes piston damage? Many factors can lead to piston damage, including overheating, detonation, or inadequate lubrication. Overheating can warp or crack the piston, while detonation (uncontrolled ignition of the air-fuel mixture) can exert excessive force on the piston, leading to damage.
- Can I drive my car with a faulty piston? While it's technically possible to drive with a faulty piston, it's highly inadvisable. Continuing to drive can lead to more severe engine damage and unsafe driving conditions. Immediate repairs are recommended to prevent costly future damage.
- How long do engine pistons typically last? With proper care and regular maintenance, engine pistons can last for the life of the engine, often over 100,000 miles. Ensuring proper engine cooling, regular oil changes, and avoiding overheating can maximize piston lifespan.
- Are piston rings the same as pistons? No, piston rings are different from pistons. Piston rings are installed on the outside of the piston and provide a seal between the piston and the cylinder walls. They play a key role in maintaining compression and controlling oil consumption within the engine.
- What is a common sign of worn piston rings? The most common indicator of worn piston rings is excess oil consumption, often accompanied by blue smoke from the exhaust. This happens because the rings fail to provide a proper seal, allowing oil to enter the combustion chamber and burn.
Dev Output
1995 Mitsubishi Expo AWD L4-2350cc 2.4L SOHC 16 Valve - Piston, Engine Costs
Parts: $80.00Labor: $46.00{ "partPrice": 80, "laborPrice": 46, "alldata_id": 21911, "alldata_vehicle_id": 21911, "title": "Piston, Engine", "parts": { "qualifiers": [ { "name": "Piston", "part": [ { "name": "31 - Piston", "note": "Includes: One Standard Piston With Pin.", "price": "100.00", "pricecode": "", "partnumber": "MD188115" } ] } ] }, "labors": { "operations": [ { "operation": "Replace", "qualifiers": [ { "name": "Pistons, R&R", "labor": { "note": "Includes: R&R Cylinder Head & Oil Pan, Hone Cylinder Walls And Plastigauge Bearings. ", "skill": "A", "standardtime": "9.8", "warrantytime": "6.9" }, "qualifiers": [ { "name": "Note", "qualifiers": [ { "name": "To Clean Oil Pump Screen, Add", "labor": { "skill": "A", "standardtime": "0.5", "warrantytime": "0.0" }, "qualifiers": [] }, { "name": "To Overhaul Cylinder Head, Add", "labor": { "skill": "A", "standardtime": "5.9", "warrantytime": "4.2" }, "qualifiers": [] }, { "name": "To Renew Balance Shaft Timing Belt, Add", "labor": { "skill": "A", "standardtime": "1.0", "warrantytime": "0.0" }, "qualifiers": [] }, { "name": "To Renew Camshaft, Add", "labor": { "skill": "A", "standardtime": "0.6", "warrantytime": "0.0" }, "qualifiers": [] }, { "name": "To Renew Crankshaft, Add", "qualifiers": [ { "name": "2WD", "labor": { "skill": "A", "standardtime": "4.7", "warrantytime": "0.0" }, "qualifiers": [] }, { "name": "4WD", "labor": { "skill": "A", "standardtime": "5.1", "warrantytime": "0.0" }, "qualifiers": [] } ] }, { "name": "To Renew Main Bearings, Add", "qualifiers": [ { "name": "2WD", "labor": { "skill": "A", "standardtime": "4.7", "warrantytime": "0.0" }, "qualifiers": [] }, { "name": "4WD", "labor": { "skill": "A", "standardtime": "5.1", "warrantytime": "0.0" }, "qualifiers": [] } ] }, { "name": "To Renew Oil Pump, Add", "qualifiers": [ { "name": "2WD", "labor": { "skill": "A", "standardtime": "1.7", "warrantytime": "0.0" }, "qualifiers": [] }, { "name": "4WD", "labor": { "skill": "A", "standardtime": "1.8", "warrantytime": "0.0" }, "qualifiers": [] } ] }, { "name": "To Renew Rear Main Oil Seal, Add", "qualifiers": [ { "name": "Auto Trans", "labor": { "skill": "A", "standardtime": "2.3", "warrantytime": "0.0" }, "qualifiers": [] }, { "name": "Manual Trans", "labor": { "skill": "A", "standardtime": "2.1", "warrantytime": "0.0" }, "qualifiers": [] } ] }, { "name": "To Renew Timing Belt, Add", "labor": { "skill": "A", "standardtime": "0.9", "warrantytime": "0.0" }, "qualifiers": [] }, { "name": "With 4WD, Add", "labor": { "skill": "A", "standardtime": "1.0", "warrantytime": "0.7" }, "qualifiers": [] }, { "name": "With AC, Add", "labor": { "skill": "A", "standardtime": "0.9", "warrantytime": "0.6" }, "qualifiers": [] }, { "name": "With Auto Trans, Add", "labor": { "skill": "A", "standardtime": "0.8", "warrantytime": "0.5" }, "qualifiers": [] }, { "name": "With PS, Add", "labor": { "skill": "A", "standardtime": "0.4", "warrantytime": "0.2" }, "qualifiers": [] } ] } ] } ] } ] }, "year": 1995, "make": "Mitsubishi", "model": "Expo AWD", "engine": "L4-2350cc 2.4L SOHC 16 Valve" }1994 Mitsubishi Expo AWD L4-2350cc 2.4L SOHC 16 Valve - Piston, Engine Costs
Parts: $46.00Labor: $9.00{ "partPrice": 46, "laborPrice": 9, "alldata_id": 31690, "alldata_vehicle_id": 31690, "title": "Piston, Engine", "parts": { "qualifiers": [ { "name": "Piston", "part": [ { "name": "31 - Piston", "note": "Includes: One Standard Piston With Pin.", "price": "100.00", "pricecode": "", "partnumber": "MD188115" } ] } ] }, "labors": { "operations": [ { "operation": "Replace", "qualifiers": [ { "name": "Piston, Renew", "labor": { "note": "Includes: R&R Cylinder Head & Oil Pan, Hone Cylinder Walls And Plastigauge Bearings. ", "skill": "A", "standardtime": "9.8", "warrantytime": "6.9" }, "qualifiers": [ { "name": "Note", "qualifiers": [ { "name": "To Overhaul Cylinder Head, Add", "labor": { "skill": "A", "standardtime": "5.9", "warrantytime": "4.2" }, "qualifiers": [] }, { "name": "With 4WD, Add", "labor": { "skill": "A", "standardtime": "1.0", "warrantytime": "0.7" }, "qualifiers": [] }, { "name": "With AC, Add", "labor": { "skill": "A", "standardtime": "0.9", "warrantytime": "0.6" }, "qualifiers": [] }, { "name": "With Auto Trans, Add", "labor": { "skill": "A", "standardtime": "0.8", "warrantytime": "0.5" }, "qualifiers": [] }, { "name": "With PS, Add", "labor": { "skill": "A", "standardtime": "0.4", "warrantytime": "0.2" }, "qualifiers": [] } ] } ] } ] } ] }, "year": 1994, "make": "Mitsubishi", "model": "Expo AWD", "engine": "L4-2350cc 2.4L SOHC 16 Valve" }1993 Mitsubishi Expo AWD L4-2350cc 2.4L SOHC 16 Valve - Piston, Engine Costs
Parts: $6.00Labor: $92.00{ "partPrice": 6, "laborPrice": 92, "alldata_id": 31684, "alldata_vehicle_id": 31684, "title": "Piston, Engine", "parts": { "qualifiers": [ { "name": "Piston", "part": [ { "name": "31 - Piston", "note": "Includes: One Standard Piston With Pin.", "price": "100.00", "pricecode": "", "partnumber": "MD188115" } ] } ] }, "labors": { "operations": [ { "operation": "Replace", "qualifiers": [ { "name": "Piston, Renew", "labor": { "note": "Includes: R&R Cylinder Head & Oil Pan, Hone Cylinder Walls And Plastigauge Bearings. ", "skill": "A", "standardtime": "9.8", "warrantytime": "6.9" }, "qualifiers": [ { "name": "Note", "qualifiers": [ { "name": "To Overhaul Cylinder Head, Add", "labor": { "skill": "A", "standardtime": "5.9", "warrantytime": "4.2" }, "qualifiers": [] }, { "name": "With 4WD, Add", "labor": { "skill": "A", "standardtime": "1.0", "warrantytime": "0.7" }, "qualifiers": [] }, { "name": "With AC, Add", "labor": { "skill": "A", "standardtime": "0.9", "warrantytime": "0.6" }, "qualifiers": [] }, { "name": "With Auto Trans, Add", "labor": { "skill": "A", "standardtime": "0.8", "warrantytime": "0.5" }, "qualifiers": [] }, { "name": "With PS, Add", "labor": { "skill": "A", "standardtime": "0.4", "warrantytime": "0.2" }, "qualifiers": [] } ] } ] } ] } ] }, "year": 1993, "make": "Mitsubishi", "model": "Expo AWD", "engine": "L4-2350cc 2.4L SOHC 16 Valve" }1992 Mitsubishi Expo AWD L4-2350cc 2.4L SOHC 8 Valve - Piston, Engine Costs
Parts: $39.00Labor: $84.00{ "partPrice": 39, "laborPrice": 84, "alldata_id": 31680, "alldata_vehicle_id": 31680, "title": "Piston, Engine", "parts": { "qualifiers": [ { "name": "Piston", "part": [ { "name": "32 - Piston", "note": "Includes: One Standard Piston With Pin.", "price": "64.32", "pricecode": "", "partnumber": "MD105377" } ] } ] }, "labors": { "operations": [ { "operation": "Replace", "qualifiers": [ { "name": "Piston, Renew", "labor": { "note": "Includes: R&R Cylinder Head & Oil Pan, Hone Cylinder Walls And Plastigauge Bearings. ", "skill": "A", "standardtime": "9.8", "warrantytime": "6.9" }, "qualifiers": [ { "name": "Note", "qualifiers": [ { "name": "To Overhaul Cylinder Head, Add", "labor": { "skill": "A", "standardtime": "3.9", "warrantytime": "2.8" }, "qualifiers": [] }, { "name": "With 4WD, Add", "labor": { "skill": "A", "standardtime": "1.0", "warrantytime": "0.7" }, "qualifiers": [] }, { "name": "With AC, Add", "labor": { "skill": "A", "standardtime": "0.9", "warrantytime": "0.6" }, "qualifiers": [] }, { "name": "With Auto Trans, Add", "labor": { "skill": "A", "standardtime": "0.8", "warrantytime": "0.5" }, "qualifiers": [] }, { "name": "With PS, Add", "labor": { "skill": "A", "standardtime": "0.4", "warrantytime": "0.2" }, "qualifiers": [] } ] } ] } ] } ] }, "year": 1992, "make": "Mitsubishi", "model": "Expo AWD", "engine": "L4-2350cc 2.4L SOHC 8 Valve" }