Question: I have 1996 Chevy Camaro V6 it has sludge in top of the radiator and you can dig it out with your finger. It looks like gobs of grease. Can't figure out where it came from it looks like a bad kidney.

 

 

Answer: This is actually a common and almost normal condition with the orange Dexcool antifreeze when it has not been changed in a long time. It develops this sludge. The formula makeup has been changed from what it was the first few years it came out.

 

It is also possible you have an intake manifold or cylinder head leaking. When combustion gases get into the cooling system, it causes this on the old orange coolant.

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Common Engine Codes

Electronic Throttle Actuator Control Codes

P0506 - P0507
The Electronic Throttle Control (ETC) System uses various inputs from the powertrain control module (PCM). This system uses the inputs to control the idle speed through serial data circuits to the throttle actuator control (TAC) module.

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How Things Work

Vehicle Front Suspension Operation

The front suspension has 2 primary purposes:

Isolate the driver from irregularities in the road surface.
Define the ride and handling characteristics of the vehicle.

The front suspension absorbs the impact of the tires travelling over irregular road surfaces and dissipates this energy throughout the suspension system. This process isolates the vehicle occupants from the road surface.

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