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Location of thermostat 1998 grand am - Grand Am Pontiac Cars & Trucks

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Follow the top radiator hose to the motor... it's in that housing


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Posted on Feb 01, 2009


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Where is the coolant bleeder valve on a 1998 pontiac grand am

There is probably two of them. One is located in the top of the thermostat housing at the rear (drivers side) of the engine. The other is located in the heater tube where it goes into the top of the water pump housing. They are just little brass bleeder screws with 7mm heads n them.

Apr 14, 2012 | 1998 Pontiac Grand Am

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Hi im trying to find out if my grand prix has a thermostat .not sure if it does i thought maybe it might be built in

all vehicles have thermostats, the location differs from vehicle to vehicle, looking up the information specific to your car will help, using the internet or shop manuals to find the year of car, engine, transmission, and then finding an exploded diagram of your motor will help you find the thermostat on your car, but be careful, some thermostats are very hard to replace

Mar 01, 2011 | 1998 Pontiac Grand Prix

1 Answer

I can turn the ac off and turn the heat on in my 1998 Mercury Grand Marquis. How do I control the thermostat? I have tried putting on auto,vent,floor/defrost,defrost, and turned the temp up to 90 and it...

It sounds like thermostat (in coolant system) needs to be replaced. They only control you have for temps are the dials on dash, but if coolant thermostat is sticking you're limited to what it outputs. Replace coolant thermostat and you should be "good to go"

Feb 22, 2011 | 1998 Mercury Grand Marquis

1 Answer

Change thermostat 1998 grand marquis

Locate the water hose at the top of the radiator and follow it to the top of the engine block. There you will find the thermostat housing. Remove the two bolts and remove the housing. Pay attention as to how the thermostat is sitting in the housing. Lift it out and put in the new thermostat the same way. Make sure you replace the thermostat housing gasket. Reassemble the housing and add anti-freeze until full.

Apr 11, 2010 | 1988 Mercury Grand Marquis

1 Answer

I need to replace my thrmostat on my 1998 pontiac grand am 4cyc. 2.4 l engine .can you help me through it?

1998 Pontiac Grand Am 2.4L SFI DOHC 4cyl Repair Guide

Thermostat - Removal & Installation

CAUTION When draining the coolant, keep in mind that cats and dogs are attracted by the ethylene glycol antifreeze, and are quite likely to drink any that is left in an uncovered container or in puddles on the ground. This will prove fatal in sufficient quantity. Always drain the coolant into a sealable container. Coolant should be reused unless it is contaminated or several years old.

1994-98 MODELS
  1. Disconnect the negative battery cable.
  2. Properly drain and recover the coolant to a level below the thermostat.
  3. Unfasten the coolant inlet housing bolt, which is accessible through the exhaust manifold.

Fig. View of the thermostat and related components-2.4L engine
  1. Raise and safely support the vehicle.
  2. Remove the radiator outlet pipe stud.
  3. Remove the second coolant inlet housing bolt, then remove the coolant inlet housing.
  4. Remove the thermostat, then clean the old gasket material from the mating surfaces.
To install:
  1. Position the thermostat in its correct location, then install the coolant inlet housing using a new gasket. Tighten the retaining bolt to 19 ft. lbs. (26 Nm) on the 2.3L and 10 ft. lbs. (14 Nm) on the 2.4L engine.
  2. Install the radiator outlet pipe stud.
  3. Carefully lower the vehicle.
  4. Install the coolant inlet housing bolt through the exhaust manifold.
  5. Properly fill the cooling system.
  6. Connect the negative battery cable, remove the radiator cap, then start the engine. Allow the engine to run with radiator cap removed, until the upper radiator hose becomes hot (thermostat open). With the engine idling, add coolant to the radiator until the level is up to the bottom of the filler neck.
  7. Install the radiator cap, making sure the arrows line up with the overflow tube.

I really hope help you with this (reember rated this help) Good luck.

Sep 28, 2009 | 1998 Pontiac Grand Am

1 Answer

1998 grand caravan overheating

Replace the fan switch first.Thats a comon part to fail.

Jul 11, 2009 | 1998 Dodge Grand Caravan

2 Answers

Where's the thermonstat on a 1998 Ponatic Grand Am?

try to see if they have your car listed for diagrams pictures and step by step instructions if your car is not listed then try your local library they have all the car manuals and even copy them for you

Mar 19, 2009 | 1998 Pontiac Grand Am

1 Answer


what size engine??

Oct 30, 2008 | 1998 Pontiac Grand Prix

1 Answer

Screw location on dash for 1998 pontaic grand am

Its 2 screws in the middle below the temp controls and 2 just above the speedometer.

Aug 16, 2008 | 1998 Pontiac Grand Am

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