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1999 GMC Sonoma Support Question

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Question posted by pchipp on January 15th, 2012

Coolan Leak On Top Of Engine

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Answer #1: Posted by BusterDoogen on January 15th, 2012 2:25 PM
This answer was accepted by the poster of the original question.
BusterDoogen

Member since:
October 30th, 2011

Points: 28,565,407
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Sounds like you have a hose leaking. Find the leak & tighten clamp if possible.

If no hoses are leaking check the gasket on the thermostat.

Good luck!

Related Manual Pages

Owner's Manual - Page 215

A. Coolant Recovery Tank B. Engine Fan The coolant level should be at least up to lift the hood, here's what you may have a leak in the radiator hoses, heater hoses, radiator, water pump or somewhere else in the cooling system. 5-11 yellowblue Cooling System When you decide it cools ...
Owner's Manual - Page 216

... that you use of coolant other than DEX-COOL is added to be no leak, start the engine again. NOTICE: Engine damage from running your vehicle needs service. That could cause an engine fire, and you run the engine if there is a leak. at 30,000 miles (50 000 km) or 24 months, whichever occurs first...
Owner's Manual - Page 223

...increase in a skid. If a tire goes flat, the next part shows how to cool the engine. Under heavy vehicle loading, trailer towing and/or high outside temperatures, the fan speed increases when...lane position, and then gently brake to leak out slowly. yellowblue Engine Fan Noise This vehicle has a clutched engine cooling fan. But if you start the engine. In any rear blowout, remove your ...
Owner's Manual - Page 259

... cool enough for you to 12 mm) in the next steps. 6-21 Adding fluid won't correct a leak. Remove the filler plug. 2. Have the system inspected and repaired. 1. yellowblue Check the fluid level only when your engine is off " your clutch fluid. A slight amount of the filler plug hole. 3. A fluid loss in the...
Owner's Manual - Page 267

... inspected and repaired. 6-29 When to Check Power Steering Fluid It is not necessary to use the proper fluid can cause leaks and damage hoses and seals. A fluid loss in the Index. For the VORTEC 4300 V6 engine, the level should be between the ADD and FULL marks. For the 2.2L L4...
Owner's Manual - Page 269

.... The other reason is that fluid is filled with DOT-3 brake fluid. It is leaking out of the brake system. The first is hot enough. If you get new brake linings. The fluid will burn if the engine is that the brake fluid goes down . You or others could be burned, and...
Owner's Manual - Page 317

... footnote **.) j Rotate tires. An Emission Control Service. An Emission Control Service. Check constant velocity joints and axle seals for leaking. (See footnote **.) 3,000 Miles (5 000 km) DATE ACTUAL MILEAGE SERVICED BY: j Change engine oil and filter (or every 3 months, whichever occurs first). j Lubricate chassis components (or every 3 months, whichever occurs first). (See...
Owner's Manual - Page 318

See "Tire Inspection and Rotation" in the Index for leaking. (See footnote **.) 9,000 Miles (15 000 km) DATE ACTUAL MILEAGE SERVICED BY: j Change engine oil and filter (or every 3 months, whichever occurs first). An ...000 Miles (20 000 km) DATE ACTUAL MILEAGE SERVICED BY: j Change engine oil and filter (or every 3 months, whichever occurs first). An Emission Control Service. Check constant velocity...
Owner's Manual - Page 320

... (40 000 km) DATE ACTUAL MILEAGE SERVICED BY: 7-12 yellowblue Short Trip/City Scheduled Maintenance j Change engine oil and filter (or every 3 months, whichever occurs first). See "Tire Inspection and Rotation" in the Index for leaking. (See footnote **.) j Rotate tires. An Emission Control Service. An Emission Control Service. An Emission Control Service...
Owner's Manual - Page 321

... constant velocity joints and axle seals for leaking. (See footnote **.) 27,000 Miles (45 000 km) DATE ACTUAL MILEAGE SERVICED BY: j Change engine oil and filter (or every 3 months...joints and axle seals for proper rotation pattern and additional information. (See footnote +.) j Change engine oil and filter (or every 3 months, whichever occurs first). yellowblue Short Trip/City Scheduled ...
Owner's Manual - Page 323

... 3 months, whichever occurs first). (Continued) DATE ACTUAL MILEAGE SERVICED BY: 7-15 Check constant velocity joints and axle seals for leaking. (See footnote **.) 33,000 Miles (55 000 km) DATE ACTUAL MILEAGE SERVICED BY: j Change engine oil and filter (or every 3 months, whichever occurs first). Check constant velocity joints and axle seals for...
Owner's Manual - Page 324

... **.) 45,000 Miles (75 000 km) DATE ACTUAL MILEAGE SERVICED BY: 7-16 An Emission Control Service. Check constant velocity joints and axle seals for leaking. (See footnote **.) j j j Change engine oil and filter (or every 3 months, whichever occurs first). j Lubricate chassis components (or every 3 months, whichever occurs first). (See footnote #.) j Check rear/front...
Owner's Manual - Page 326

...leaking. (See footnote **.) DATE ACTUAL MILEAGE SERVICED BY: 54,000 Miles (90 000 km) An Emission Control Service. Manual transmission fluid doesn't require change both the fluid and filter. DATE ACTUAL MILEAGE SERVICED BY: j Change engine..., change . Check constant velocity joints and axle seals for leaking. (See footnote **.) Rotate tires. yellowblue Short Trip/City Scheduled...
Owner's Manual - Page 327

...needed . An Emission Control Service. See "Tire Inspection and Rotation" in the Index for leaking. (See footnote **.) (Continued) 60,000 Miles (100 000 km) DATE ACTUAL MILEAGE SERVICED...for leaking. (See footnote **.) j Rotate tires. Check constant velocity joints and axle seals for leaking. (See footnote **.) 57,000 Miles (95 000 km) DATE ACTUAL MILEAGE SERVICED BY: j Change engine ...
Owner's Manual - Page 328

... if the vehicle is mainly driven under any damage. Inspect fuel cap gasket for damage or leaks. yellowblue Short Trip/City Scheduled Maintenance 60,000 Miles (100 000 km) (Continued) For ...See "Tire Inspection and Rotation" in taxi, police or delivery service. j Inspect engine accessory drive belt. Replace parts as found in the Index for proper rotation pattern and additional information. (See ...
Owner's Manual - Page 329

...) An Emission Control Service. See "Tire Inspection and Rotation" in the Index for leaking. (See footnote **.) 63,000 Miles (105 000 km) DATE ACTUAL MILEAGE SERVICED BY: j Change engine oil and filter (or every 3 months, whichever occurs first). j Change engine oil and filter (or every 3 months, whichever occurs first). (Continued) DATE ACTUAL MILEAGE...
Owner's Manual - Page 330

...See footnote +.) 72,000 Miles (120 000 km) DATE ACTUAL MILEAGE SERVICED BY: j Change engine oil and filter (or every 3 months, whichever occurs first). j Lubricate chassis components (or...and Rotation" in the Index for leaking. (See footnote **.) j Rotate tires. Check constant velocity joints and axle seals for leaking. (See footnote **.) j j j Change engine oil and filter (or every 3 months,...
Owner's Manual - Page 331

... #.) (Continued) DATE ACTUAL MILEAGE SERVICED BY: 7-23 Check constant velocity joints and axle seals for leaking. (See footnote **.) j Change automatic transmission fluid and filter if the vehicle is mainly driven 78,000 Miles (130 000 km) j Change engine oil and filter (or every 3 months, whichever occurs first). An Emission Control Service. (See...
Owner's Manual - Page 332

... and add fluid as needed . An Emission Control Service. See "Tire Inspection and Rotation" in the Index for leaking. (See footnote **.) 81,000 Miles (135 000 km) DATE ACTUAL MILEAGE SERVICED BY: j Change engine oil and filter (or every 3 months, whichever occurs first). j Lubricate chassis components (or every 3 months, whichever occurs first...
Owner's Manual - Page 333

... footnote **.) 87,000 Miles (145 000 km) DATE ACTUAL MILEAGE SERVICED BY: j Change engine oil and filter (or every 3 months, whichever occurs first). Check constant velocity joints and axle seals for leaking. (See footnote **.) j For Two-Wheel-Drive vehicles only: Clean and repack the front wheel bearings (or at each brake relining...

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