Chevy Cavalier Coolant Leak Wilmington NC

I have a questions about my 2000 Chevy Cavalier. My coolant is leaking (takes about 2 months before the coolant light comes on). So far I have had the hoses replaced (mechanic #1) and a new thermosat put in (mechanic #2). The most recent mechanic (#3) said that it could be a head gasket but he wasn't positive, it was a guess.

Inter-shop Inc
(910) 803-1936
4320 Deer Creek Ln
Wilmington, NC
Hours
Monday 8:30 AM - 6:30 PM
Tuesday 8:30 AM - 6:30 PM
Wednesday 8:30 AM - 6:30 PM
Thursday 8:30 AM - 6:30 PM
Friday 8:30 AM - 6:30 PM
Saturday Closed
Sunday Closed
Services
Air Conditioning/Heating, Alignment, Alternator, Battery, Belts & Hoses, Catalytic Converter, Clutch Cylinder, Cooling System, Diagnostics, Drive Belt, Electrical System, Exhaust Systems, Filters & Fluids, Fuel Injector, Fuel Pump, Fuel System, Head Gasket, Headlight/Headlamp, High Performance Service, Ignition, Inspection, Muffler, Oil Pan, Oil Pump, Oxygen Sensor, Parts, Radiator, Restoration Service, Shocks & Struts, Spark Plugs, Starter, Thermostat, Timing Belt, Tune-Up, Water Pump, Window M
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Acura, Aston Martin, Audi, Auto Clutch, Auto Drivetrain, Auto Engine, Auto Interior, Auto, Bentley, BMW, Buick, Cadillac, Chevrolet, Chrysler, Classic Car, Diesel Engine, Dodge, Emergency Auto, Exotic Car, Fiat, Ford, GMC, Harley Davidson, Honda, Hyundai, Infiniti, Isuzu, Jaguar, Jeep, Kia, Land Rover, Lexus, Lincoln, Lotus, Mazda, Mercedes Benz, Mitsubishi, Motorcycle/ATV, Nissan, Oldsmobile, Pontiac, Porsche, RV/Bus, Saab, Saturn, Small Engine, Subaru, Suzuki, Toyota, Truck, Volkswagen, Volvo

Black's Tire & Auto Service
(910) 763-3324
2015 Oleander Drive
Wilmington, NC
Services
Auto Service & Repair, Brakes Service & Repair, Auto Tire Shop Equipment & Supplies, Auto Alignment Frames & Axles Service & Repair
Hours
Mon-Sat
Payment Options
90 Days Same as Cash

Jiffy Lube
(910) 791-9368
601 Shipyard Blvd
Wilmington, NC
Services
Oil Change and Lube, Automotive Transmission

Kennedy Automotive Service Inc
(910) 799-4441
3715 Carolina Beach Rd
Wilmington, NC
Specialty
Brakes, Electrical Service, Emission Testing, Engine Repair, Exhaust Repair, Front End Repair, General Automotive Repair, Inspection & Diagnostic, Lubrication Service, Machine Shop Service, Maintenance, Wheel Alignment
Hours
Mon:8:00 am-5:30 pm
Tue:8:00 am-5:30 pm
Wed:8:00 am-5:30 pm
Thu:8:00 am-5:30 pm
Fri:8:00 am-5:30 pm
Sat:(Closed)
Sun:(Closed)
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Cash, Check, Credit Card

De Mann Marine Power Inc
(910) 791-6222
107 Bryan Road
Wilmington, NC
Services
Truck Parts

Brown's Radiator Service
(910) 763-3881
2136 Wrightsville Avenue
Wilmington, NC
Services
Auto Service & Repair, Auto Radiator Repair & Rebuilding, Industrial Equipment Rebuilding Service & Repair
Products
Radiators, Boats, Heat Exchangers, New Car & Truck Radiators

Black's Tire & Auto Service
(910) 763-4601
1417 Castle Hayne Road
Wilmington, NC
Services
Auto Service & Repair, Brakes Service & Repair, Mufflers & Exhaust Systems Service & Repair, Auto Tire Shop Equipment & Supplies, Auto Alignment Frames & Axles Service & Repair
Payment Options
90 Days Same as Cash

Mad Mikes Scooters and Cycles
(910) 799-9904
3909 Carolina Beach Road
Wilmington, NC
Services
Motorcycle Fabrication,Motorcycle Repair

Colors On Parade
(910) 520-9898
PO Box 7522
Wilmington, NC
Services
Paintless Dent Repair

Sign A Rama
(910) 793-4770
3604 South College Road
Wilmington, NC
Services
Truck Auto Body

Chevy Cavalier Coolant Leak

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Reader Question I have a questions about my 2000 Chevy Cavalier. My coolant is leaking (takes about 2 months before the coolant light comes on). So far I have had the hoses replaced (mechanic #1) and a new thermosat put in (mechanic #2). The most recent mechanic (#3) said that it could be a head gasket but he wasn't positive, it was a guess.

That's a big $$$ replacement for a guess. He had it under pressure for about 6 hours, but couldn't find the leak. I know it is leaking because the coolant light comes on, the temp goes up, and of course I can see that it is low and that the fluid is on my driveway.

No one can seem to fix my car. Have you heard this problem before? Do you have any other ideas? My insurance quote is attached...thanks!

Hi there,

I think you need to see ONE MORE mechanic..one is a little more qualified than the others. It does sound like you have an EXTERNAL coolant leak somewhere...radiator, water pump, intake manifold etc. etc. but probably NOT a head gasket problem. You said you can see coolant on the driveway…so this SHOULD be an external leak, and your mechanic SHOULD be able to see this leak with a cooling system pressure tester.

I would go to another repair shop...or the dealership and get them to pressure test your cooling system again, tell them this is a slow leak and they might want to keep pressure on the system for the day or overnight to locate the leak.

I have seen a few leaky water pumps that would not leak during a normal cooling system pressure test for hours but would begin to leak as the engine was running. You usually perform a cooling system pressure test with the engine off...so a leaky water pump might go undetected.

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