U3512 Pontiac Grand Safari DTC Code

Pontiac Grand Safari Engine Specifications:

Engine Type :	Multi-Cylinder Engine
Cylinder Type :	V-Type Engine
Engine Air Intake Process :	Turbocharged Engine

Your Pontiac Grand Safari engine control system detects a problem, the computer stores the diagnostic trouble code U3512 in its memory. To figure out what is wrong with your vehicle you must first extract the U3512 DTC For Pontiac Grand Safari.

To solve U3512 Pontiac Grand Safari problem, you'll have to remove the muffler, crankcase and other components blocking the valve chamber. Then, remove the cylinder head bolts (label for easy re-installation) Adjust the jaws of the valve spring compressor until they touch the top and bottom of the valve chamber Push the tool in to compress the spring and tighten the jaws Remove the retainers and lift out the valves , compressors and springs

U3512 Pontiac Grand Safari DTC Meaning

U	Network Code - Problem is climate control system, lighting, airbags, etc.
3	SAE - Generic
5	Auxiliary Emission Controls
1	IC Circuit High Voltage
2	Kick-Down Switch Failed Short

The original multi-displacement system turned off opposite pairs of cylinders, allowing the engine to have three different configurations and displacements. U3512 Pontiac Grand Safari code had an elaborate diagnostics procedure, including showing engine trouble codes on the air conditionning display. However, the system was troublesome, misunderstood by customers, and a rash of unpredictable failures led to the technology being quickly retired.