2003 Chevrolet S10 Q&A
2003 Chevrolet S10 Question: Intake manifold
What are the torque specs for 2003 4.3L intake manifold and sequence. Engine VIN X. I cant find info for thank you. - Visitor
8 bolts, first pass starting from center and tightening in an "X" pattern tighten to 27 inch pound, second pass 106 inch pound, third pass 11 ft/lb. upper intake manifold bolts 44 inch pound, then second pass 80 inch pound. - patrick mannion
...ngine may be hard to start run poorly and/or use to much fuel due to a fuel leak inside the intake manifold plenum. Commonly this is caused by a leaking fuel pressure regulator or fuel line. The fuel...
The intake manifold gasket may develop and external engine oil or coolant leak. In some cases, an internal coolant...
4.3L V6 It takes 2 to 3 trys to fire over, when the engine warms up it miss fires when driving. When your on level pavement its ok, but when you try to drive a steap incline or going against the w...
how much to replace it including labor (on average)
does the fuel pressure regulator that is located under upper intake assembly get its vacuum from the mainifold pressure or vacuum?