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Apr 12, 2013 - Uploaded by MapleBoarder78
Part one of installing a new clutch on my 2000 Trans Am. Part 2 will include installation ... How to Master Cylinder Install and Drill Mod (LS1 F-Body) - Duration: ... 6:28. Removal and Servicing ofClutch Master Cylinder to Slave Cylinder ... LS1 98-02 Chevy Camaro Z28 SS Pontiac Firebird Trans Am F-Body ...
Well code 128 is for the engine running too cool. Which is usually a thermostat problem. But it could be the coolant temp sensor. You may have a different sensor for the gauge and for the computer. Code 442 is for a small leak detected in the EVAP system. It can be a faulty gas cap, but since you have replace the cap, its probably a hose or gasket. The computer vents the gas tank to the vapor canister when the engine is running. It checks gas tank pressure to make sure all valves are closed when you turn the truck off.
Instrument cluster - GM had problems with a part inside the cluster , Stepper motor , These faulty step motors caused the gauges to act erratically . 2003 to 2006 ! ALL GM vehicles . Just replaced a cavalier instrument cluster for what customer thought was a over heating problem .The fans come on low speed when engine temp. reaches 220 degress
The PCM commands the low speed cooling fans ON under the following conditions:
• Engine coolant temperature exceeds approximately 104.25°C (220°F).
• A/C refrigerant pressure exceeds 1447 kPa (210 psi).
• After the vehicle is shut OFF if the engine coolant temperature at key-off is greater than 101°C (214°F) the low speed fans will run for a minimum of 60 seconds After 60 seconds, if the coolant temperature drops below 101°C (214°F) the fans will shut OFF. The fans will automatically shut OFF after 3 min. regardless of coolant temperature.
The PCM commands the high speed fans ON under the following conditions:
• Engine coolant temperature exceeds approximately 107.2°C (225°F).
• A/C refrigerant pressure exceeds approximately 1824 kPa (265 psi).
• When certain DTCs set.
At idle and very low vehicle speeds the cooling fans are only allowed to increase in speed if required. This insures idle stability by preventing the fans from cycling between high and low speed.