Question about 1997 Pontiac Trans Sport
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Posted on Jan 02, 2017
CHECK FOR FUEL AND SPARK FIRST.
CHECK ALL THE CONNECTORS ON EVERYTHING, ESPECIALLY THE IGNITION MODULE CONNECTIONS. THE CRANK SENSOR OFF THE BACK OF THE ENGINE COMES UP ALONG THE FUEL LINES AND CONNECTS TO THE IGNITION MODULE.
Posted on Jul 12, 2009
The text below is from the GM Service manual 4.3L V6 Engine
Water Pump Replacement (4.3L)
Drain the cooling system. Refer to Draining and Filling Cooling System .
Loosen the water pump pulley bolts.
Remove the cooling fan and clutch assembly.
J 46406 Fan Clutch Wrench
Remove the upper fan shroud.
Remove the fan clutch from the water pump in a counterclockwise direction using the J 46406 .
Remove the fan clutch assembly.
Remove the drive belt. Refer to Drive Belt Replacement Remove the water pump pulley mounting bolts.
Remove the water pump pulley.
Remove the radiator outlet hose clamp from the water pump.
Remove radiator outlet hose from the water pump.
Remove the water pump mounting bolts.
Remove the water pump from the engine.
Remove the water pump gaskets.
Clean the water pump gasket mating surfaces.
Install the water pump gaskets.
Install the water pump to the engine.
Apply a sealer (GM P/N 12346004) to the bolt threads.
Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.
Install the water pump mounting bolts.
Tighten the mounting bolts to 41 N·m (30 lb ft).
Install the radiator outlet hose to the water pump.
Install the water pump pulley.
Install the water pump pulley bolts.
Tighten the water pump pulley bolts to 25 N·m (18 lb ft).
Install the drive belt. Refer to Drive Belt Replacement in Engine Mechanical - 4.3L.
Install the fan clutch assembly.
Fill the radiator cooling system. Refer to Draining and Filling Cooling System .
Inspect the cooling system for leaks.
Posted on Oct 03, 2009
Testimonial: "Thanks I appreciate it"
You have to drop the fuel tank and the fuel pump will be located at the top of the fuel tank usually four bolts holding the pump in the tank be careful as fuel vapors are ignitable...
Posted on Apr 25, 2010
Testimonial: "Thanks: I thought so but was hoping there was an access panel from above."
For 1996 Pontiac Truck Trans Sport
3.4L SFI 6cyl check this procedure for Fuel Pump... there are two different electric fuel pumps used:
- A medium pressure twin turbine pump for vehicles equipped with Throttle Body Injection (TBI). - A high pressure roller vane pump for vehicles equipped with Sequential Fuel Injection (SFI).
(see Figure 1)
Fig. 1: View of the fuel pump assembly and related components
The fuel pump is mounted to the fuel sender assembly inside the fuel tank. The fuel is pumped to the engine at a specified flow and pressure by the fuel pump. Excess fuel is returned to the fuel tank by the return pipe. The fuel pump delivers a constant flow of fuel to the engine even during low fuel conditions and aggressive vehicle maneuvers.
CAUTION When working on or near the fuel tank, be sure to observe the information molded on the bottom of the tank.
Removal & Installation
Fig. 2: Exploded view of the fuel pump-to-tank mounting components
Fig. 3: Remove the fuel tank locking ring with a non-sparking (brass) punch.
Fig. 4: Exploded view of the fuel pump components
Hope this help (remember rated this).
Posted on Jun 04, 2010
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