Where is the thermostat located on a 99 Chevy Blazer?

Where is the thermostat located on a 99 Chevy Blazer?

Locate the thermostat. It is near the alternator. If you follow the upper radiator hose, it runs from the driver’s side of the radiator up across the engine, and back around over the engine to the middle of the block near the alternator. Remove the plastic heater hose clip from the lower thermostat bolt head.

Is thermostat housing leak serious?

If the housing is leaking to the point that the coolant gets low, it doesn’t take long to cause some serious damage. Inoperative heater – Your car’s heater relies on hot engine coolant. A leaking thermostat housing can also lead to a low coolant level, resulting in an inoperative heater.

How do I know if my thermostat housing is leaking?

Signs and Symptoms of a Leaking Thermostat Housing

1. High Readings on Temperature Gauge. With a leaking thermostat housing, the distribution of coolant throughout your engine will be severely compromised.
2. Fluctuating Temperature Readings.
3. Coolant Leaks.

Should I replace thermostat housing with thermostat?

The thermostat housing will need replacing if your vehicle outlasts the thermostat, and the part is not functioning correctly. If the hose cracks, the seals are damaged, or the housing cracks due to consistent cooling and heating, the overall thermostat housing can break down and wear out over time.

Where is the thermostat on a 1999 GMC Jimmy?

Thermostat is right on top of intake manifold.

Can I drive with a bad thermostat housing?

If it is failed in a closed position then you cannot really drive it with the thermostat broken, as the engine would overheat. This however will not generally have any impact on the ability to drive the car, at least if you let it warm up before you start driving.

Do you put gasket sealer on thermostat housing?

Since the thermostat in your car has a regular gasket, you can use RTV or not, at your pleasure. If you’ve had seepage issues in the past, it’s almost a given you’d use it. Even if you haven’t, it’s not going to hurt anything to use it now. If you do use it, only put a thin coat on it, covering both sides evenly.

How do I fix a leaking thermostat housing?

1 Answer

1. Drain your coolant system.
2. Remove the two clamps from the hoses on the housing.
3. Remove the two hoses from the housing.
4. Remove the two bolts holding the housing.
5. Remove the housing.
6. Remove the thermostat.
7. Clean the housing and the head at the mating surface.
8. Install a new thermostat (see note below).

How long does thermostat housing last?

But, just how long will a thermostat last? They generally last about 10 years but can last longer depending on the make, model, and type of thermostat. Over time, these systems start to age and a thermostat may malfunction because of normal wear and tear, dust accumulation, wiring issues, and rusting.

How do I know if my thermostat isn’t opening?

Signs of a Bad Thermostat

1. Your thermostat has no power or is unresponsive.
2. Your A/C or heater runs constantly and won’t turn OFF.
3. Room temperature and setting don’t match.