Does a throttle body need a gasket?
Does a throttle body need a gasket?
The body throttle gasket is the seal the keeps outside air from entering the space between the intake manifold and the throttle body. It needs to be fitted perfectly between the openings of the two parts. A miniscule hole or leak can cause troubles in idling and even while running.
Is it necessary to replace intake manifold gaskets?
Replacement of the intake manifold gaskets is common among older and high mileage vehicles. Always be couscous of dirt falling into the engine and take pictures of the job before and during the repair to help in reassembly. Re-torque the intake manifold mounting bolts after a few miles of driving to help seal the gaskets.
How to replace gaskets in a GM 3.1L engine?
3) Plug in the Map sensor and the wiring in front of the upper manifold. Attach vacuum hose to fuel regulator upper right of manifold. 4) Mount the alternator bracket with the three 15mm bolts on the front and one in the back. Make sure the power steering lines are properly routed between the bracket and the pump. There is holder down below.
How to replace the intake manifold on a GM 3.1L?
3) Remove hose clamps from the two ends of the bypass hose and separate them from the metal tubing. These pieces of tubing are pressed into the intake manifold. An 8mm bolt threads into a housing by the water pump. 4) Remove the coolant overflow bottle.
Can you replace the lower intake manifold gaskets?
The original lower intake manifold gaskets will leak and then the gaskets must be replaced. Here’s how. This is a difficult job, so I took detailed notes and digital pictures to help.
3) Plug in the Map sensor and the wiring in front of the upper manifold. Attach vacuum hose to fuel regulator upper right of manifold. 4) Mount the alternator bracket with the three 15mm bolts on the front and one in the back. Make sure the power steering lines are properly routed between the bracket and the pump. There is holder down below.
How to replace an intake in a GM car?
Remove the four middle bolts first and then the four outer. Put them in a cardboard box, punching holes and marking their locations. I had to use a crowbar on an exposed corner (very carefully) to get it out. 11) Remove the pushrods and similarly put them in a box.
How to replace the intake in a 3.1L engine?
Three fasteners (10mm) hold it. 6) Unbolt the evaporative canister purge solenoid valve. It bolts with a 10mm to the end of the upper manifold cover. There is a hose going to the PCV valve on the front valve cover and another to the manifold itself. Move it off to the side. 7) Remove the EGR valve.
