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 MANUALSCHEVROLET2007SILVERADO 1500 2WD V8-5.3LREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTTUNE-UP AND ENGINE PERFORMANCE CHECKSCOMPRESSION CHECKSPECIFICATIONS
2007 Chevrolet Silverado 1500 2WD V8-5.3L
Compression Check: Specifications
2007 Chevrolet Silverado 1500 2WD V8-5.3LSECTION Specifications
Engine Compression Test
No cylinder should read less than 690 kPa (100 psi).
Cylinder Deactivation (Active Fuel Management) System Compression Test
Depress the Schrader valve on the compression gage, in order to release the pressure and zero the gage. With the engine running and the cylinder in active fuel management mode, the compression reading should be less than 172 kPa (25 psi)
No cylinder should read less than 690 kPa (100 psi).
Cylinder Deactivation (Active Fuel Management) System Compression Test
Depress the Schrader valve on the compression gage, in order to release the pressure and zero the gage. With the engine running and the cylinder in active fuel management mode, the compression reading should be less than 172 kPa (25 psi)
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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.