Disconnect the lower heater duct. Disconnect both the evaporator and heater hoses, along with the drain tube elbow and heater ca You should check and service the heater hoses in your Pontiac Grand Am on a regular basis to keep your car running smoothly and to prevent coolant leaks. This is a very involved job and requires too much detail to go into here. Remove the floor and console outlet ductwork and hoses. Remove the trim plate from the instrument cluster with the screwdriver. After removing the glove boxes mine has two and gaining entry from the drivers side under the dash you will find the housing and venting.
After that bolt housing back up, bolt vents on, put console back in. When the heater core leaks and must be repaired or replaced, it is a very difficult and time-consuming job primarily because of the core's location deep within the firewall of the car. Unless you know how to remove all the parts with damaging them, I suggest you take it to a pro. On models with manual transaxle, turn shift lever handle counterclockwise to remove from lever. The new heater core's are metal all the way so you won't have to worry about it cracking again. Reattach the cover on the steering column and tighten the screws with the screwdriver.
You should just go to a nice bookstore and buy a book on how engines work in general and study up on each componet before you work on it. I have another one to replace it with. Wait for 2 minutes and recheck the coolant level; then, add more coolant if necessary. Remove the glove box to gain access to, and remove, the defroster duct screw, and the control cables. Read it and decide if you are willin … g to tackle the job.
Remove the radio from the dash. If you installed it and there were no hoses to disconnect then its probably because the heater core had been bypassed prior to installation of the new one. Be ready with a big pail to catch it. Heater hoses to heater core. Remove the heater core cover which is held on with seven screws. Clean any liquid that may have gotten inside the car, using the rags. If you look just in front of your center console under the dash there is a black colored plasic housing.
Disconnect and plug the heater hoses at the heater core. Originally since the heater core is held inside the hvac unit with a clamp and bolt, I was thinking that the cover should come off separately while the heater core itself stayed in the car. This guide will give you an idea of what you are in for when doing the job. Answer A very difficult repair unless you know what you are doing. The heater core pokes through really low on the firewall so yes you do have to jack up and support the car properly so that it will not fall. Once its off the housing to the heater core is right above it. The hardest part is getting the screws and bolts you can't see and also taking it out and putting it back in.
The heater box is removed from the vehicle as one unit. Difficulty:ModerateInstructions Things You'll Need Drain pan Fresh engine coolant Socket set Wrench set Marker Mas. Continuous overheating creates other, more expensive repairs, so you need to replace the heater core as soon as possible. Follow my user name to my Bio Page for a pointer or just search heatertreater on any search engine. First, check both of the fuses. Disconnect the radiator hose on the water pump.
Next go back inside the car and remove both left and right sound insulators black covers under your feet and remove the center counsel where the shifter is. That is what you are going to disasemble. The belt tensioner is a spring loaded pulley located below the alternator. The heater core exits the fire wall in two places and connects to the heater hoses under the engine. The heater core exits the fire wall in two places and connects to the heater hoses under the engine. I had to take enough of the interior out as it is. There's a separate fuse for high speed that turned out to be blown in my vehicle now I have a spare fan :-.
Heater hoses to core and tighten clamps to 1. Use a strip caulk type sealer when installing the case assembly to the firewall. Reinstall the radio in the dash and secure it with the screwdriver. Twist it clockwise to lock the detent on the tube into the notch in the valve cover. Plug the wiring harness together at the glove box. You have to detach the drain tub … e,there will be some coolant spillage then disconnect the heater hoses from the core tubes these are right by the firewall, near the manifold, we broke mine, junk plastic.
Most of the books are kind of general in detail. Before you can repair something. Remove the trim plate from the instrument cluster with the screwdriver. Auto shops will tell you it calls for over 7 hours of labor and will cost you hundreds read on and i will show you how to do it yourself if you are at least slightly vehicle savvy. Read it and decide if you are willing to tackle the job. Drain the coolant from the cooling system make sure you use a clean container for it, if the coolant can be reused.
Remove the instrument panel finish panel at the passeng … er's end of the dash where you would find a glove box if there were one. Once … there it is a simple repair. Confirm all removal procedures with your mechanic or another expert before attempting such maintenance yourself. Basically you have to remove the lower steering column cover, and disassemble most of your dash. © 2019 Madison Ross Media Group.