Checking your GMC Sierra for cooling transaction leaks is imperative, whether you longing to prolong its good brio. Catching these leaks early can save you coinage and battle, thanks to an unchecked leak can author engine overheating or failure. One contrivance to stay abreast of this issue is to inspect your accepted parking district for signs of leaks. On the contrary, there are more fitting methods and they're nearly as light.
Instructions
1. Conduct the hood to examine the hoses, which connect the engine to the heater core and the radiator to the engine. The heater core on a GMC Sierra is extreme the engine and near the windscreen. Evaluation for any bulging, cracking or splitting in the hoses besides as any noticable signs of coolant leakage. These signs can revenue the appearance of corrosion, discolouration or wet spots from virgin coolant.
2. Cause a flashlight to inspect the radiator completely for any signs of a leak. Remove the radiator cap and add fresh coolant to the radiator to within an inch of overflowing. Be sure to touch the radiator to make sure it's cooled down before opening it. Never open a warm or hot radiator, as it can explode, spewing hot coolant over anyone in the area.5.
The water pump on a GMC Sierra is behind the engine fan and connects directly to the engine. The shaft seal is what secures the connection between the water pump and the engine block. Look for any corrosion or discoloration to confirm the source of the leakage.
4. Again, these signs are corrosion, discolouration or freshly leaked coolant. Inspect the bottom part of the radiator carefully, because rocks and road debris can damage the radiator during the normal course of operation.3. Check the water pump and shaft seal for any possible signs of leakage.
Start the engine of the GMC Sierra, set the heater to high and let it run for about 15 minutes. Next, switch off the engine of the GMC Sierra to inspect the water pump, shaft seal, radiator and hoses for leaks one more time. If you still can't locate a leak, it may be an internal cooling system problem and you need to take the SUV to a cooling system specialist for further diagnostics.
