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I have recently replaced Thermostat on my 1999 New Jetta GLS. Here is what I did and the replacement was successfull.
First, the coolant has to be drained completely. Locate the drain at the bottom left side of radiator and drain the coolant from radiator. Then drain the coolant from the engine block. I did not do the second drain and got about 1 pint of coolant spilled during the thermostat replacement. Detach the hose from the thermostat housing cover at the front of engine block. Pull the metal hose clamp back over the hose. You will need wide angle pliers to loose the clamp. Reattachment during reinstallation will be more difficult. Remove the bolts/nuts and detach the cover. You will need 10mm size wrench (or Allen wrench) to do it. I got very anxious when I find out how inaccesible are the nuts. The Allen wrench would work better if I had one with the right size. Use screwdriver to gently remove the O-ring. It is recommended that you get a new O-ring. Remove the old thermostat, place the new one, then O-ring and the remaining steps are reverse of installation. Remember to close the coolant drains before refilling the cooling system - the old coolant can be reused. The coolant must be added gradually. The engine should be turned on for a while to allow the coolant to reenter all the space in the engine block and radiator.
What else can I help you with?
How do you replace a thermostat on a 1999 Volkswagen Jetta 4-cylinder 2.0?
The 1997 VW Jetta thermostat is located inside of the thermostat housing. Remove the thermostat housing retaining bolts. Remove the water supply hose. Reverse the process to install the new thermostat.
How do you replace a thermostat in a 1997 Ford Aspire and where is it located?
this site^ will show you a how
How do you replace the thermostat located on a 1997 Ford Ranger?
locate the top radiator hose and follow it to the motor, unbolt the housing it is connected to and remove the old thermostat replace it and put it back together
How do you replace the thermostat located on a 1997 Mazda b2300?
stand at the front of the car and look for the top rad hose and follow it to the end there should be two bolts holding the hosing unbolt and replace the thermostat and gasket
Where is the thermostat located on a 1997 Oldsmobile 88?
On a 1997 Oldsmobile 88, the thermostat is located at the engine's front, where the upper radiator hose connects to the engine block. To access it, you typically need to remove the upper radiator hose and the thermostat housing. It's advisable to allow the engine to cool before attempting to replace the thermostat to avoid burns.
How do you replace the thermostat on a 1997 GMC Yukon?
Drain the water from your 1997 GMC Yukon cooling system. Remove the water supply hose. Remove the thermostat housing retaining bolts. Remove the old thermostat and replace with the new thermostat.
Where is the thermostat located in a 1997 Honda Passport?
In a 1997 Honda Passport, the thermostat is located on the engine block, near the intake manifold. It is typically found in the thermostat housing, which is connected to the upper radiator hose. To access it, you'll need to remove the hose and the housing cover. Make sure to allow the engine to cool before attempting to locate or replace the thermostat.
What is the cost to replace a thermostat in 1997 Chevy lumina?
100
How do you replace the thermostat located on a 1997 Saturn SC?
unscrew take old out, drop new in with gasket put baqck screws IF YOU DONT KNOW HOW TO CHANGE A THERMOSTAT, LEAVE YOUR HOOD CLOSED!
Where is the thermostat located on a 1997 Ford Aerostar?
The thermostat is located underneath the radiator hose where it connects to the engine. The thermostat regulates the engine's temperature.
How do you replace the thermostat on a 1997 Pontiac grand am 3.1?
To replace the thermostat on a 1997 Pontiac Grand Am 3.1, first disconnect the negative battery terminal and loosen the clamp on the radiator hose. Next, remove the mounting bolts from the thermostat housing and insert the new thermostat.
How do you replace the thermostat located on a 1997 Mazda 626 4 cylinder?
To replace the thermostat on a 1997 Mazda 626 with a 4-cylinder engine, first, ensure the engine is cool and disconnect the negative battery cable. Drain the coolant from the radiator, then remove the upper radiator hose connected to the thermostat housing. Unbolt the thermostat housing, take out the old thermostat, and clean the mating surfaces. Install the new thermostat, reassemble the housing and hose, refill the coolant, and reconnect the battery.
