Question about 2002 Lincoln LS

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High engine temp high

Replaced thermostat, drained flushed bled coolant. runs perfect at idle but hot less than 1 mile on the road

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Check out the fuel pump is proper or getting leak.and does the fuel pump goving full pressure  required.

Posted on Nov 21, 2008

  • smarttech Nov 21, 2008

    and when was the last time the head gasket was changed (milage) head gaskets usually blow at 100k to 150k or less if you rod the car. try to run the car with the radiator cap off when the car is cool!!! if the radiator bubbles it is most likely the head gasket or a warpped head.


  • smarttech Nov 21, 2008

    also check out for this as u have changed the thermostat avoid that.
    Low coolant?
    Water pump not circulating coolant?
    Defective radiator cap?
    Thermostat not opening fully?
    Radiator clogged or restricted?



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Air lock cooling system


Not sure I follow your wording on the different temps. If the system is full of coolant and working correctly, the thermostat should open at 195 degrees which would be several miles down the road. Once the thermostat opens both radiator hoses should be warm. If the water pump is not working the engine will get hot very quickly.
Have you tried running without the thermostat to see what happens ?

Mar 05, 2014 | Hyundai Elantra Cars & Trucks

2 Answers

Instructions on how to use holts wondarwald


Holts Wondarweld
Flush engine.
EXTERNAL CRACKS
1 Run engine until hot,drain off enough coolant to remove thermostat.
2 Remove thermostat.
3 Mix contents of can thoughoughly! and pour contents into thermostat opening.
4 Replace thermostat cover.& fill radiator with hot water,replace radiator cap.
5 Run engine at a fast idle for 15 mins,dont allow to boil.Top up if necessary.
6 Leave Wondarweld in system for 2-3 days then drain off,flush system replace thermostat and refill.
HAIRLINE CRACKS
1 MIX thoroughly and pour into cold engine (radiator if it has a cap)
2 Run engine until hot.
3 Allow engine to cool then run again until hot.
4 Follow procedure 6 above.
INTERNAL CRACKS
1 Follow external crack instructions except after pouring Wondarweld into engine remove spark plug from
affected cylinder and run engine for 20 mins. If more than one cylinder affected run for 5 minute intervals.
2 Allow engine to cool then drain cooling system and refill with clean water.
3 Drain sump & flush,refill with fresh oil.
Note:- 1/2 pint of Wondarweld for every 6 pints of water,DO NOT add antifreeze for at least 3 days after process.

Aug 05, 2012 | Cars & Trucks

3 Answers

04 Chev. Avalanche 1500 Z71 5.3 125K mi. Temp gauge reads erratic from 210 to 245 or so. heat blows warm then cold. Coolant level, OK. I have been told could be sticky thermostat but usually is restricted...


Normally the engine operates at 195F, if you did not replaced thermostat with another one at 185F. If the temperature has a tendency to rise up, the reason is a partially obstructed cooling system or/and a bad thermostat.
The first part of the cooling system that gives up is the heater core, because the coolant flowing channels are thin. You got a good advice but not the best one. It is the time for a coolant flush in your car. To do do it right then you need time. Plan ahead for a week end. With a cooled engine, start as your friend advised you with the heater core hoses. Disconnect both of them, but the dirt has to go out of your car, so with a garden hose back flush it and let the dirt to get out of your cooling system. After you will get clean discharge, it is the time for coolant bottle, remove it, discharge the used coolant and clean it. The third to come is the radiator. Open the drain cook, or disconnect the lower radiator hose, and disposal used coolant properly. Now open the radiator cap and flush with water the radiator till discharge will be clear. You think that you are done? Not yet. There is half of old dirty coolant trapped in the system.
Install everything, and connect all coolant system hoses, radiator, heater core and coolant bottle. Now you have to run your car with water. Fill out the cooling system with distilled water, start engine, turn on the heater high, and run till upper radiator hose get hot. That means the thermostat opens.
Let the engine to cool down, open the radiator cap, and draining cook or lover radiator hose and drain everything. You can use flush detergent if you wanted at this stage, but flushing with detergent will add 4 more hours, because detergent is colorless and you have to guess how many fill and drain processes do do to get rid of it. I do not do it, but if your cooling system is very dirty you have to do it. After the last drain, fill the cooling system with concentrated antifreeze and 30% distilled water. The reason is because it is more water trapped inside the cooling system. The goal is to reach 50/50 concentration. You need a coolant tester to find this. Start the engine and add coolant til radiator is full. Install the radiator cap and bleed the system. After driving you car for a day or so, let engine to cool down, open the radiator cap check the concentration of coolant with the tester and add antifreeze or distilled water as necessary. It is a good idea to replace the thermostat while flushing the radiator. This procedure has to be done every 2 to 3 years. It is up to you to decide to use RED GM Dex-Cool or GREEN Prestone antifreeze.
In all my cars I have replaced Dex-Cool with Prestone, but I flush the system every 2 years, and I never had a cooling system problem in all my cars.

Nov 14, 2010 | 2004 Chevrolet Avalanche

3 Answers

Temp gauge reads hot then normal then hot again while driving


Could be:

1. Faulty thermostat
2. Intermittent blockage in the cooling system which is retarding the coolant flow
3. Faulty water pump.
4. Any combination of the above.

Action.
1. Don't drive the vehicle in this condition - except to get it to the nearest repair shop. Running in this condition may cause expensive engine damage - such as a cracked head - from overheating which could cost more to repair than the car is worth.

2. (a)Have the entire cooling system flushed thoroughly. At the same time replace the thermostat with the correct new factory item.

(b)Whilst this is being done have the water pump removed and inspected. It may also be on it's last legs and require replacement. If it needs replacing you have no choice but to do this work as your engine is history if running on a worn out or corroded water pump.

If you cannot do this work yourself then entrust it to a quality automotive repair shop.

Ensure the correct coolant is used in the cooling system when re-filling (refer manufacturer spec) and ensure the system is bled of all air. If it is not bled of air after re-filling you will end up with poor coolant flow, hot spots and potential engine damage.

If your system needs topping up from time to time make sure you use the correct coolant for the vehicle.

Nov 27, 2009 | 1998 Ford Escort

4 Answers

I have changed the radiator and thermostat and water pump and it keeps running hot


THEN U MOST LIKELY HAVE A LEAKING HEAD GASKET, VERY COMMON PROBLEM ON THIS V8 NORTHSTAR ENGINE.

Nov 12, 2009 | 1998 Cadillac DeVille

3 Answers

1998 bmw Z3 running hot replaced thermostat and continues to run hot replaced aluminum engine 10 months ago,with cast iron engine with 68,000 miles


When the car is completely cool,check the electric fan(s) for smooth rotation.

Clean/check/change the thermo sensor,contact and wire.

===

Excavate air pocket in coolant system / check for head gasket leak

This test will kill two birds with one stone.

===

MAKE SURE THE COOLANT SYSTEM and ENGINE IS COLD!

RAN THIS TEST IN A WELL VENTILATED AREA ONLY!

You will spill some coolant during this air pocket purge test.......BE KIND TO THE ENVIRONMENT and ANIMAL please clean up after the test!

===

Put the front end on a pair of ramp or park your car on a VERY STEEP HILL (radiator facing top of the hill) .

Top of the coolant reserve tank

Let it ran for 10-15 minutes.

Monitor for air pockets escaping from coolant reserve tank.

Small amount of bubbles is OK at 1-5 minute mark

After the thermostat open up (after 195 F warm up) at
5-12 minute mark or after high idle you should see less bubbles.

If you do not see any in rush of bubbles then your thermostat may be partially stuck or rusted badly inside the thermostat hosing.

Give the thermostat host few gentle taps.

If you see larger bubbles surfacing after 15 minutes then should do a hydrocarbon (HC) dye test to test for potential head gasket leak.

Let engine cold down and top off coolant reserve tank.

Start monitor for coolant lost

===

A coolant flush is require every 2 years or 24,000 miles.

I recommend the thermostat that has a relief pop-let to reduce the change of burst radiator and coolant hoses.

Make sure you get a new thermostat gasket,black RTV and fresh coolant for the job.

===
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Oct 03, 2009 | BMW Z3 Cars & Trucks

1 Answer

Gauge reads Hot but truck doesn't appear to be overheating - help


is antifreeze dirty looking and if was changed was it chemically flushed?

Jul 06, 2009 | 2002 Nissan Frontier Crew Cab

2 Answers

2004 dodge ram 1500 overheating on the freeway


The 2002- 2007 Dodge Ram 1500 4.7 L. has a single core radiator with flat fins that become easily plugged with scale and other stuff floating around in your motors cooling system. Since these fins are so small about .040 of an inch good luck flushing out any clogged particles by doing a flush. Many of the online part stores have replacement radiators for less than $120.00 (Rock Auto, for example). Replace the radiator with a new unit. Make sure to flush the engine block and heater core before connecting back to new radiator. I completed this job over the past weekend in less than 3.0 hours start to finish. Have less than $220.00 in all hoses, Thermostat, Radiator and new coolant.

Jun 03, 2009 | 2004 Dodge Ram 1500

1 Answer

ENGINE COOLANT SYSTEM NOT FUNCTIONING PROPERLY


1. Check the level you filled the coolant to...If you overfilled it this will happen. 2.  Did you add the correctly diluted antifreeze? 3. Check to be sure the radiator is unobstructed

Jun 07, 2008 | 2002 Ford Taurus

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