Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET2013IMPALA V6-3.6LREPAIR AND DIAGNOSISMAINTENANCEHOSESCOOLANT LINE/HOSESERVICE AND REPAIR
2013 Chevrolet Impala V6-3.6L
Coolant Line/Hose: Service and Repair
2013 Chevrolet Impala V6-3.6LSECTION Service and Repair
Plastic Collar Quick Connect Fitting Service
Removal Procedure
Warning:
Refer to Gasoline/Gasoline Vapors Warning Service Precautions.
Note:
There are several types of Plastic Collar Fuel and Evaporative Emission Quick Connect Fittings used on this vehicle.
* Bartholomew (1)
* Q Release (2)
* Squeeze to Release (3)
* Sliding Retainer (4)
* Global Connect (5)
* TI Loc (6)
* Safe Lock (7)
The following instructions apply to all of these types of Plastic Collar Quick Connect Fittings except where indicated.
1. Relieve the fuel system pressure before servicing any fuel system connection. Refer to the Fuel Pressure Relief (Without CH 48027) Fuel Pressure Relief (Without CH 48027)Fuel Pressure Relief (CH 48027) Fuel Pressure Relief (CH-48027).
Warning:
Refer to Safety Glasses and Compressed Air Warning Safety Glasses and Compressed Air Warning.
2. Using compressed air, blow any dirt out of the quick-connect fitting.
3. This step applies to Bartholomew style connectors ONLY. Squeeze the plastic quick-connect fitting release tabs.
4. This step applies to Q Release style connectors ONLY. Release the fitting by Pushing the tab toward the other side of the slot in the fitting.
5. This step applies to Squeeze to Release style connectors ONLY. Squeeze where indicated by arrows on both sides of the plastic ring surrounding the quick-connect fitting.
6. This step applies to Squeeze to Release style connectors ONLY. Push in the male side slightly in order to slide the retainer away from the retainers, squeeze where indicated by arrows on both sides of the plastic ring surrounding the quick-connect fitting.
7. This step applies to Sliding Retainer style connectors ONLY. Release the fitting by pressing on one side of the release tab causing it to push in slightly. If the tab doesn't move try pressing the tab in from the opposite side. The tab will only move in one direction.
8. This step applies to the Global Connector style only. Push the connector toward the tube in order to release the pressure. Press and hold down the release mechanism, and pull the connector straight out.
9. This step applies to the TI Loc style only. Push the connector toward the tube in order to release the pressure. Release the redundant latch (1) with two fingers or a flat bladed tool. Then press and hold down the bottom release mechanism (2) and pull the connector straight out.
10. This step applies to the Safe Lock style only. Push the connector toward the tube in order to release the pressure. Release the second latch (1) with two fingers. Then press and hold down the bottom release mechanism (2) and pull the connector straight out.
Warning:
Refer to Relieving Fuel Pressure Warning Service Precautions.
11. Using a clean shop towel, wipe off the male pipe end.
12. Inspect both ends of the fitting for dirt and burrs.
13. Clean or replace components as necessary.
Installation Procedure
Warning:
Refer to Fuel Pipe Fitting Warning Fuel Pipe Fitting Warning.
1. Apply a few drops of clean engine oil to the male pipe end.
2. Push both sides of the quick-connect fitting together in order to cause the retaining feature to snap into place.
3. Pull on both sides of the quick-connect fitting to make sure the connection is secure.
4. Insert the tube in the connector until the retainer snaps in place.
5. Push down on the redundant latch (1) until it is fully engaged and snapped into position.
6. Insert the tube in the connector until the retainer snaps in place.
7. Push down on the second latch (1) in order to secure the connection.
8. Inspect for leaks using the following procedure:
1. Turn the ignition ON, with the engine OFF for 2 seconds.
2. Turn the ignition OFF, for 10 seconds.
3. Turn the ignition ON, with the engine OFF for 2 seconds.
4. Turn the ignition OFF.
5. Inspect for leaks.
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.