Question about 1993 Nissan Quest

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Thermostat housing help

Can you help me find a diagram for thermostat housing hoses

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Try this. It's a later model but shows you how to locate, remove and replace.

Good luck

Posted on Apr 13, 2014


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Engine Diagrams

Hello. Here a non-photo diagram. Hope this helps!!!

The thermostat is located on the side of the water pump, the water pump is located just above the a/c compressor, the thermostat is fed coolant from the radiators lower radiator hose.
Thermostat :
1. drain coolant and tighten drain plug ( easier method : remove radiator cap, get big drain pan, place drain pan under lower radiator hose to radiator connection, remove clamp, slowly remove hose, allow coolant to drain into pan, now is a good time to remove radiator hose and clamp from thermostat housing )
2. remove thermostat cover / cap ( easiest to get at this when front of car is supported by jack stands and right hand side lower cover is removed ).
3. thermostat cap is held on by 3 bolts / remove thermostat.

You will notice that the thermostat's air bleed hole is pointing up and lines up with notch in water pump housing,,

ATTENTION :failure to install new thermostat in the correct location will cause engine to overheat.

1. install new thermostat to water pump, make sure air bleed hole lines up with notch, install and tighten bolts, install a new lower radiator hose, fill cooling system.

thermostat # 17670-77E00
lower radiator hose #17854-65G20
hose clamp #09401-36403
upper radiator hose # 17852-65G20

Suzuki factory manual

Oct 21, 2013 | Cars & Trucks

1 Answer

I'm trying to figure out how to change the

Hello victoriaulre,

Below I will provide step by step instructions and diagrams.

1. Drain radiator.
2. Remove the air cleaner duct for access radiator hose.
3. Reposition the hose clamp( circled in red) and then remove the radiator hose from the thermostat housing.See image below.
4. Remove thermostat housing bolt/stud.
5. Remove the thermostat housing and gasket.
6. Remove he thermostat.
7. Clean the gasket surface on the thermostat housing and the engine block.

To install, reverse above procedure.
Torque the thermostat housing bolt/stud to 18 ft.lbs.
Fill radiator and check for leaks.

I hope this helps.



Sep 12, 2011 | 2006 Pontiac G6

2 Answers

Thermostat location of a 1991 HondaAccord

The thermostat for your car is in the lower hose instead of the upper. Follow it back to the engine and the thermostat right there.
To see the thermostat located in your car.Please click the link below. ----------- in the link there is diagram and removing/ installing procedure for thermostat.----------- this should help.Thanks.Helpmech.

Mar 29, 2011 | 1991 Honda Accord

1 Answer

I need a diagram to replace the thermostat

I seriously doubt if you will find the diagram that you are asking for. The thermostat is very easy on most vehicles. Simply follow the upper radiator hose to where it connects to the engine. This would be the thermostat housing. The thermostat hosing is held on by 2 bolts. Remove the 2 bolts and remove the thermostat housing. The thermostat will be under the housing. Pull the old thermostst out and clean the gasket surfaces on both the engine and the thermostat housing. install the new thermostat and thermostat housing gasket and reinstall ithe thermostat and bolts. On some of the Dodge vehicles it is necessary to remove the alternator and/or power steering pump/ A/C compressor brackets to access the thermostat housing bolts.

Jan 22, 2011 | 1993 Dodge Dakota

1 Answer

Need diagram that shows location of thermostat ?

there are no diagrams for the location of the thermostat, just follow the top radiator hose to the motor and there will be a metal housing that the hose is clamped to thats the thermostat housing.

Dec 26, 2010 | GMC Sierra 1500 Cars & Trucks

1 Answer

Location of thermostat,and a diagram.what thermostat should be used for new england winter.1989 toyota land cruiser

For 1989 Toyota Truck Land Cruiser 4.0L FI 6cyl, check this diagrams, according with your Engine Code...


Fig. 1: On, 3VZ-E engines the thermostat is located in the waterpump


Fig. 2: Exploded view thermostat and housing on the 1FZ-FE engine


Fig. 3: Exploded view thermostat and housing on the 2RZ-FE and 3RZ-FE engines


Fig. 4: Exploded view thermostat and housing on the 5VZ-FE engine

To install:
  1. When installing a new thermostat always use a new gasket. Be sure that the thermostat is positioned with the spring down or into the housing. On 3VZ-E engines, the jiggle valve (looks like a small rivet in the edge of the thermostat) must be at the top or 12 o'clock position.

Fig. 8: If used, the thermostat must be installed with the jiggle valve at the top

  1. Install the water inlet. Install the bolts finger-tight until the inlet is positioned exactly. Tighten the bolts to 10-14 ft. lbs. (13-19 Nm). Overtightening will break the ear off the housing and spoil your afternoon-don't do it.
  2. Install the hoses and wire connectors removed for access. Make certain the coolant hoses are not kinked or twisted after installation. Do not overtighten the hose clamps.
  3. Fill the cooling system with coolant.
  4. Start the engine and check for leaks. Top off any fluid levels.

About parts replacement, try to check in THIS SITE: Thermostat Universal

Hope this helps.

Dec 06, 2010 | 1989 Toyota Land Cruiser

1 Answer

Where is the thermostat?

Check this location diagrams...


Fig. Exploded view of the thermostat (3) showing the thermostat housing (1,2) location on the engine block (4)-3.7L & 4.7L engines


Fig. Exploded view of the thermostat housing (2) and mounting bolts (1), lower radiator hose (4) and hose clamp (3)-5.7L engine

I hope this helps (remember to comment and rate this answer).

Nov 16, 2010 | 2006 Jeep Commander

1 Answer

I need to change the thermostat; but i cant see the bolt. a diagram can help

Heres a couple of pictures to help you locate the thermostat housing, if you follow the lower hose from the radiator to the motor you will find the thermostat housing on the block, remove the two bolts and off comes the housing and thermostat, hope this helps.85e6022.gifda09e90.gif

Oct 24, 2010 | 2002 Jeep Liberty

1 Answer

How do I replace a thermostat in a 2003 Ford Focus and what tools will I need. I think this is what I am going to need because sometimes it heats and sometimes it doesn't. My guess is the thermostat...


  1. Let engine cool down for at least 1 hour before beginning.
  2. Follow the instructions in this article to drain the cooling system
  3. Un-plug the coilpack wiring harness. The retaining clip is on the bottom of the plug. Press it upwards while pulling the plug toward you.
  4. Unbolt the EGR tube brackets with a 13mm socket and a 10mm open-end wrench (see diagram below)
  5. Push the EGR tube down a little bit to give you working room to access the bolts on the thermostat housing
  6. (optional) I remove the battery and the battery case to allow more room to have for a work space.
    Using pliers, squeeze the clip on the upper hose, and slide it away from the end of the hose. Release pressure on the clip, then pull the hose straight away from the thermostat housing to remove it. (see diagram below)
    Using the ratchet and a 10mm deep well socket, remove the 3 bolts holding the thermostat housing to the cylinder head. Use a finger ratchet if needed. (see diagram below)
  7. Using pliers, squeeze the clip on the rear hose, and slide it away from the end of the hose. Remove this hose the same way you removed the hose in step 6.
    Once the rear hose is removed, you can push the thermostat housing -- still attached to two more hoses -- down and under the hard, black A/C tube. This will help you remove the remaining two hoses on the front of the thermostat housing. Again, remove these hoses the way you did in steps 6 and 8. The housing will be completely removed at this point.
  8. You can see the damaged housing in the picture below. This is very common:
  9. Using a TORX T25 driver, remove three the screws attaching the thermostat retainer.
  10. Pull the thermostat out of the housing.

* During re-assembly, you will need to re-use the old thermostat and thermostat retainer. The new housing does not come with these parts.

Dec 21, 2009 | 2003 Ford Focus

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