Chevrolet Sonic Repair Manual: Secondary Air Injection Check Valve Installation

Air Injection

...

Secondary Air Injection Check Valve Removal

Remove the 3 secondary air injection check valve bolts (3). Remove the secondary air injection check valve (2). Remove and DISCARD the secondary air injection check valv ...

Other materials:

What to Use
Warning Adding only plain water or some other liquid to the cooling system can be dangerous. Plain water and other liquids, can boil before the proper coolant mixture will. The coolant warning system is set for the proper coolant mixture. With plain water or the wrong mixture, the engine coul ...

Electrical System Overload
The vehicle has fuses and circuit breakers to protect against an electrical system overload. When the current electrical load is too heavy, the circuit breaker opens and closes, protecting the circuit until the current load returns to normal or the problem is fixed. This greatly reduces the c ...

Drive Range, Second Gear (Gen 1)
As vehicle speed increases and operating conditions become appropriate, the transmission control module (TCM) processes input signals from the automatic transmission input and output speed sensors, the throttle position sensor and other vehicle sensors to determine the precise moment to comman ...