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Coolant hose diagrams - Cars & Trucks

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  • kakima Dec 14, 2016

    Hi Jay Jay, I want to help you with your question, but I need more information from you. Can you please add details in the comment box?

    Any particular year, make, or model?

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Water circulation diagram 2002 Lincoln navagator blows cold air


Check the heater hose's going into the fire wall for being hot ! You don't need to know coolant circulation diagram . If the heater hose's are hot , problem is inside , temperature control actuator ! How to Fix Car with No Heat Easy

Dec 17, 2016 | 2002 Lincoln Navigator

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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

Coolant hose diagram


there are only 2 hoses an upper and lower rad hose and both are probably moulded hoses. buy new molded hos at local auto parts store or go to ford to get proper moulded hose. sorry but there is no diagram for hoses. If you are doing the job yourself invest in a Haynes repair manual also bought at local parts store

Sep 18, 2013 | 1993 Ford F150 SuperCab

1 Answer

Engine Diagram


check freeze plugs, right bank,left bank and rear of block. Also check coolant bypass hose pressurize system check for leaks.

Apr 30, 2013 | Cars & Trucks

1 Answer

What's your problem?a/c vacuum lines inside the cab diagrams


The first, simple step is to check your coolant. If it is low, check the coolant reservoir for leaks. Then add coolant. If that is not the problem, there are other things you can try. The cooling system on these cars are notorious for getting clogged. Flush your radiator and see if that helps. If not, check the two hoses leading through the firewall to the heater core (Under your dash). Run the car with the heater on and see if those hoses get hot. If they do not, the core may be blocked. You can flush the heater core with a water-hose connected to the hoses to the core. Make sure to run water both ways and flush the heater core till the water comes out clean.

If that does not work, check the thermostat. It could be stuck...but more likely it is one of the vacuum hoses or the bender door inside the dash. Check the vacuum hoses first, they are not difficult to replace.

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May 28, 2012 | 1986 Dodge Ramcharger

1 Answer

I have a 2001 subaru outback and appears to be leaking coolant from thermostat but not having loss of heat yet. Can gasket be replaced or do you have to replace whole thermostat? Also where can I find...


This sounds most likely to be a lower radiator hose leak (very common). It may be just as simple as tightening the hose clamp holding the hose to the radiator. If tightening the clamp does not work, replace the hose. When replacing the hose you must first drain all the coolant from the radiator and engine. Once its all drained, loosen the hose clamps on the hose thats leaking, pull the hose off and replace it with a new one. Tighten down the hose clamps and add coolant.

Dec 30, 2009 | 2001 Subaru Outback

1 Answer

New Motor, Heater not working, Leaking Antifreeze


Your car is overheating because you did not bleed the cooling system. The hanging hose may be the overflow drain. Unbolt the coolant reservoir, and raise it as high as you can. Start the motor, and add coolant until the heater starts blowing heat. You will see air bubbles in the reservoir until all of the air is out. This is a common procedure when doing any cooling system maintenance on Celicas.

Feb 22, 2009 | 2000 Toyota Celica

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