Once the belt is off 1 of the pulleys, it is safe to release the pressure on the tensioner. Remove the thermostat, then clean the gasket material from the mating surfaces. Then you will lift your engine, about 6 inches, in order to rock it … forward a little bit. It should take about 30 minutes to an hour if this is your first time. Another way to get to the thermostat housing is to remove the duct from the air cleaner housing. Head bolts - 46 - 50. I put a paper towel in the hole while I'm scraping off the … old crap.
Install the mounting bolt and nut. First diconnect the hose from the goose neck the large hose directly from the bottom of the radiator. Be sure to scrape the old gasket off and repplace with a new one. Tighten the thermostat housing bolts to 18 ft. Assemble everything and have a small amount of fuel to prime the engine if needed.
After that, use the tool to move the pully; this will loosen your serpentine belt, from there just remove the belt. Trying to get to lower bolt on thermostat housing without removing exhaust system on '94 Grand-Am 6-Cylinder. Tighten the fittings to 15 ft. Under the engine, you wil see a metal pipe that leads up to the thermostat housing that will have a blt with a wiring clp attached to it, remove that. Drain about 1 gallon out. Insert the new thermostat goes intothe inlet manifold, spring end first. It took me about 30 minutes to figure out how to get to the thermostat housing, but once I found it, I was in and out in about 25 minutes!! After doing this you should be Abe to replace the thermostat quite easily, but don't forget the little bolt that holds the water pipe up, it is just a few inches from where the rubber hose meets the metal.
Either way it is a relatively easy fix. The belt is driven by the crank pulley itself, and is also tensioned by the, well, tensioner. Allow the engine to run with radiator cap removed, until the upper radiator hose becomes hot thermostat open. Connect the negative battery cable, remove the radiator cap, then start the engine. I asked his permission to publish this and he said O.
Put the new thermostat back in the same way and then replace the hose and clamp and tighten. Next, remove the nut at the throttle body that holds the steel tube that goes to the heater hose, remove all hoses that connect to this tube and raise it out of the way. Tighten the thermostat housing bolts to 18 ft. Most often, when a thermostat breaks, it gets stuck open or closed, which causes it to be unable to regulate the coolant and therefore the engine temperature. Install Coolant inlet housing bolt. They recommend using a silicon lubricant not alot , just enough to cover the seats openings , that the thermostate will be sitting back in.
You open the hood, stand on the drivers side of the engine, or the opposite side from the belts , and look toward the middle of the engine block. The thermostat is located on the back side of the engine if you are facing the car. The bracket has a little lip and a tab in a slot on the inside toward the grille and they only go in one direction. With the engine idling, add coolant to the radiator until the level is up to the bottom of the filler neck. Make sure to replace gasket and a new rubber seal the goes on the thermostat. Install the radiator cap, making sure the arrows line up with the overflow tube. This is an intermediate level do-it-yourself project.
In 1994 Pontiac introduced their new Grand Am. The only thing with that, is you need to put the exhaust back together. Start the engine to bring it up totemperature, and turn on the heater. With the engine idling, add coolant to the radiator until the level is up to the bottom of the filler neck. Siphon about a gallon ofantifreeze from the radiator.
As you face the car, it will be to the passenger side, down under the exhaust manifold. Pull the goose neck from the engine block and remember the way the pointed side of the thermostat is facing toward the engine block. After you remove the two bolts on the top, you must slide the entire assembly facing the vehicle to the right for the drivers side or to the left for the passenger side. The clamps used to hold the radiator hoses in place are usually one of two types. It's affordable, attractive and offers a nice array of options. It usually has four screws. Radiator installation and removal for all three engines is the same.