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 MANUALSCHEVROLET2006SUBURBAN C1500, 5.3 ZREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 269 (COOLING SYSTEM)RADIATOR DRAIN PLUG REPLACEMENT
2006 Chevrolet Suburban C1500, 5.3 Z
Radiator Drain Plug Replacement
2006 Chevrolet Suburban C1500, 5.3 ZSECTION Radiator Drain Plug Replacement
WARNING: This page is about a different car, the 2004 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.
- Drain the engine coolant. (See ENGINE COOLANT REPLACEMENT .)
- Loosen the radiator drain plug completely.
- Do not apply excessive force to the flathead screwdriver or equivalent as doing so can damage the drain bore. Slowly and carefully pry out the radiator drain plug when removing it.
- Using a flathead screwdriver or equivalent, pry out the radiator drain plug.
- Install a new radiator drain plug with a new O-ring.
Tightening Torque
1.2-1.5 N.m {13-15 kgf.cm, 11-13 in.lbf}
- Add engine coolant. (See ENGINE COOLANT REPLACEMENT .)
CAUTION:
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.