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Posted on Jan 02, 2017
go to autozone.com, enter your vehicle specs, and follow the prompts for the repair section, then to electrical diagrams..........and its FREE!
Posted on Jul 27, 2009
SOURCE: diagram on how to remove
Here is the removal procedure, and the procedure is the same for both the V-6 and the V-8 Vortec engines. Also, be certain to put engine oil on the "o"-ring seal for the fuel injector assembly before installing the upper intake. Let me know if you require any further assistance.
1. Disconnect the battery negative cable assembly from the battery negative terminal.
2. Remove the air cleaner assembly.
3. Remove the wiring harness connectors and the brackets and move aside.
4. Remove the throttle cable and the bracket from the upper intake manifold.
5. Remove the cruise control cable, (if equipped).
6. Remove the fuel lines from the intake to the rear of the block.
7. Remove the ignition coil and the bracket.
8. Remove the upper intake manifold.
1. Install the upper intake manifold gasket.
2. Install the upper intake manifold. Use care not to pinch the injector lines between the upper and lower intake manifolds.
3. Install the upper intake manifold bolts. Note the marks made at disassembly for proper stud location. Install the two corner studs first in order to help align the two halves. NOTE: Other than the two torque passes listed below, the OE Manufacturer did NOT address or supply a bolt tightening sequence for the upper Intake Manifold for this model year, or other model years where this 2 piece manifold setup is used. A "Play It Safe" final tightening sequence would be to tighten from the center most bolts to the outer most bolts.
4. Tighten the bolts in two steps: a. Tighten the bolts on the first sequence to 5 Nm (44 inch lbs.). b. Tighten the bolts on the final sequence to 10 Nm (88 inch lbs.).
5. Install the purge solenoid and bracket.
6. Install the ignition coil and bracket.
7. Install the PCV hose et the upper intake manifold.
8. Install the fuel lines from the intake at the rear of the block.
9. Install the cruise control cable (if equipped).
10. Install the throttle cable and bracket from the upper intake manifold.
11. Install the wiring harness connectors and brackets.
12. Install the air cleaner assembly.
13. Connect the battery negative cable assembly to the battery negative terminal. - Tighten the bolt to 15 Nm (11 ft. lbs.).
Posted on Oct 23, 2010
Throttle Position Sensor (TPS) is connected to the throttle shaft on the
throttle body. It is a potentiometer with one end connected to 5 volts
from the VCM and the other to ground. A third wire is connected to the
VCM to measure the voltage from the TPS. As the throttle valve angle is
changed (accelerator pedal moved), the output of the TPS also changes.
At a closed throttle position, the output of the TPS is low
(approximately 0.5 volts). As the throttle valve opens, the output
increases so that, at wide-open throttle, the output voltage should be
approximately 4.5 volts. By monitoring the output voltage from the TPS,
the VCM can determine fuel delivery based on throttle valve angle
Fig. 1: Common Throttle Position Sensor (TPS) wiring diagram (wire color, terminal identification/location may vary on certain models)
In addition, I send you some wiring diagrams that coud helpful (click image for zoom)...
Fig. 7: 1996 GM 4.3L Engine Schematic
Fig. 10: 1996-1997 GM S10/Blazer Chassis Schematic
Hope this helps.
Posted on Jul 28, 2011
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