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-How to Change the Thermostat on a Nissan Frontier-
Instructions: Removal of the Thermostat
1-Open the hood for access to the engine compartment. Locate the top lhose.
2-Remove the top radiator hose using a flat-head screwdriver. Loosen the hose clamp till the hose can slide off the pipe. Remove the other end of the radiator hose off the thermostat housing assembly.
3-Locate and remove the two bolts holding the thermostat housing together. Use your socket wrench to remove the top half.
4-Remove the thermostat with your fingers. The thermostat will lift out with your fingers. Remember the position of the thermostat.
5-Scrape the old gasket off the thermostat assembly surface. Use a putty knife or a razor blade.
Installation of the Thermostat
6-Place the new thermostat in the housing. Remember the position of the thermostat that you removed. Install the new thermostat in the same way as the old one.
7-Place the new gasket on the bottom portion of the assembly. Ensure the bolt holes on the gasket match up to the holes on the gasket.
8-Place the top of the housing assembly on the bottom portion. Tighten the assembly with your socket wrench. The bolts should be snug to ensure a seal on your gasket.
9-Install the radiator hose. Be sure to tighten the hose clamps to keep the hose tight on the pipes.
10-Refill the radiator with coolant. You may have lost some coolant in the thermostat exchange.
**Tips & Warnings
Be sure to inspect the hose and the hose clamps when removing. You should replace the hose clamps as they loosen with age. Be sure the hose itself does not have any tears or holes in it. If it does replace immediately.
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∙ 11y ago
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The 2003 Nissan Frontier has 16 valves.
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The 2003 Nissan Frontier has a 5-speed manual.
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The 2003 Nissan Frontier has an inline 4 engine.
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The 2003 Nissan Frontier is a gas-powered vehicle.
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The 2003 Nissan Frontier's turning circle is 38.3 ft..
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The 2003 Nissan Frontier has a 27 degrees angle of approach.
How tall is the 2003 Nissan Frontier?
The height of the 2003 Nissan Frontier is 5 ft. 6.7 in. (66.7 in.).
What is the cam type of the 2003 Nissan Frontier?
The 2003 Nissan Frontier has double overhead cam (DOHC).
