The moment time of the GMC Sierra was produced from 1999 to 2006. While the newly introduced V8 options were the most habitual, the 4.3L four-cylinder engine was all the more available. The Sierra with the smaller engine is public among used-vehicle shoppers looking for dependable, Useful transportation.
Instructions
Remove the Intake Manifold
1. Pull the rejection cable from the battery. Filter the cooling development (gaze Warnings) and then remove the carburettor or the throttle protest.
2. Docket any wiring, hoses and cables by numbering them to comply to the connecting speck. Disconnect all wiring, hoses and cables that are connected to the intake manifold.
3. Capture the bolt outside of the function steering pump and settle it aside, however bring about not disconnect the pump.6. Dwelling the manifold gasket on the head. Install the manifold.7.
Accept the manifold elsewhere from the engine a bit to disengage the dowel pins in the mind. Lift the manifold from the engine.
5. Disinfected the mating surfaces of any gasket info and debris. Transfer all Trimmings to the different manifold whether it is continuance replaced.
Install the Intake Manifold
Disconnect the throttle valve linkage in vehicles with an automatic transmission.4. Loosen and remove the manifold bolts.
Put the intake manifold bolts in place and finger-tighten them along with the nuts and the EGR rub nut and bolt. Apply GM 1052080 or an equivalent sealer to the lower manifold bolts.
8. Tighten the manifold bolts in sequence, crisis-crossing the inside four corners and then moving to the outside corners. Torque the bolts first to 24 inch pounds, then 108 inch pounds in a second pass. Finish with a third pass of 11 foot pounds.
9. Reinstall and reconnect all parts in the reverse order that they were removed. Refill the coolant.
10. Start the engine. Check for proper operation and any vacuum leaks.
