1991 Lexus LS 400 Logo
Anonymous
Anonymous Posted on Aug 01, 2012
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My 1991 Lexus ls400 keeps overheating and blowing out my radiator fuses

My clear radiator container and hose keeps spitting out water and steam and blowing out my radiator fan fuses

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Colin Stickland

Colin Stickland

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  • Lexus Master 22,516 Answers
  • Posted on Aug 01, 2012
Colin Stickland
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This car is 21 yrs old and well past its sell by date ,now is this clear rad container your refering to ? is it the over flow bottle or the radiator header tank If you do have a problem with the head gasket then it may pay you to trade it in quick and buy a nice peugeot diesel manual and reduce your carbon footprint and save a lot of money in fuel as well with 70mpg .Your dealing with a big petrol engine here in this car and lots of things could be wrong and going wrong owing to the vehicles age and their come a time when you have to give it some euthanasia and send it to the great motorway in the sky unless you have a bottomless pit of a wallet

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Anonymous

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SOURCE: how to repair code13 - RPM signal no.2 Lexus Ls400

HOW TO FIX CODE 13 1995 LEXUS SC400

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Anonymous

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  • Posted on Nov 25, 2008

SOURCE: need replace head light bulb

open the hood then look down ont he side that is blown there should be a black rubber boot covering the light look for the wiring then slide the boot back release the sension clasp and pull it out replace and reverse the process to put everything back togather

Anonymous

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SOURCE: Lexus LS400 1996 heater not warm

Check your coolant level sounds like it might be low.

mkv0525

Mike Vincent

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  • Posted on May 21, 2009

SOURCE: R & R 1991 Lexus Ls400 Gear shift knob

slide the lower part of shifter handle down and you will find two screws, but there is 2 wires coming in from center console for overdrive button.you have to remove the center console cover and remove the 2 wires from connector and then pull up threw handle.when you go back together you will have to guide them back threw the handle.

Anonymous

  • 11896 Answers
  • Posted on Aug 07, 2009

SOURCE: Replace/fix starter on 1991 Lexus LS400

Not too bad. Not much room, just enough to drop the starter. It is probably easier to go up through exhaust if you can get your exhaust shield off the manifold .

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0helpful
1answer

1996 Lexus LS400; the engine coolant keeps running
Check the oil dip stick if it is a milky white this is really bad being cracked engine head or blown head gasket.
More than likely and best out come it will be the radiator or a radiator hose.
If you can see water stain some where around the radiator it does not need to be a big amount.
Or a radiator hose that may have water around it or coming out when hot then that is your leak.
Maybe a good idea to take to a radiator place or a mechanic ask them to put a pressure test on the radiator.
Also only fill radiator when cold or if you need to do when hot make shore the car is running to avoid cracking the engine head as this will make any grown person cry $$$$
And do on a hill with engine facing up running and cap off little bubbles will come out keep filling when bubbles stop put cap on fill reservoir ( a little container next to the radiator).
Let me know if this helps.
Regards Craig
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Feb 02, 2018 • Lexus Cars & Trucks
0helpful
3answers

I changed the thermostat in my 91 plymouth sundance and my car is still overheating and the reserve tank is spitting out coolant
You change the head gasket

The spitting is cylinder pressure or combustion
gases blowing out coolant
Read full answer
Mar 09, 2013 • 1991 Plymouth Sundance
0helpful
1answer

97 eldorado idles and does not run hot, only when driving car runs hot.
May be its low on coolant or radiator hoses clogged or its thermostat issue,its remaining closed or it can be issue with coolant leaking from somewhere.Or cooling fan not running when when engine gets warm.
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There are many other possibilities causing these issues.:----
To troubleshoot the issue yourself,i provide you few very helpful links with solutions:-----
Click the link below:----

Dodge Dakota stalls, stumbles at idle. Has low fuel flow and runs hot?

http://schematicsdiagram.blogspot.in/2012/03/dodge-dakota-stallsstumbles-at-idlehas.html

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1991 Toyota Trecel: Engine Starts fine but dies when gets Warm?

http://whatisbyme.blogspot.in/2012/05/1991-toyota-trecel-engine-starts-fine.html

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1995 Lexus LS400: Running Hot?

http://whatisbyme.blogspot.in/2012/05/1995-lexus-ls400-running-hot.html

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Multiple problems on car: Car runs hot, A/C blows hot and car starts surging?
http://schematicsdiagram.blogspot.in/2012/04/multiple-problems-on-car-car-runs-hotac.html


-----------

There are many possibilities for car overheating.

Faulty thermostat clogged radiator/plugged radiator, radiator hose worn out. Coolant running low. Low coolant pressure. Faulty temperate sensor.



I suggest you to go through the troubleshooting details mentioned in the link below:-----


All types of car overheating problems and troubleshooting?

http://technoanswers.blogspot.com/2011/11/all-types-of-car-overheating-problems.html

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These will help.

Thanks.

Read full answer
Dec 06, 2012 • Cars & Trucks
0helpful
1answer

94.lexus ls400- keeps pushing radiator coolant out of overflow,
Your radiator could be glogged and causing it to back up out of overflow,drain coolant,if still good,save and remove bottom hose from radiator get hose and insert in radiator and let run and see how flow is,if clooged,go to autozone and tell them what is happening and they will get you what you need to unglog .To check water pump,unscrew radiator cap and put over opening,crank engine,let it get at operating temperature,remove cap and check flow.Click on link to view radiator flush. http://www.autozone.com/autozone/accessories/Fluids-and-Chemicals/Radiator-Cleaner-and-Additive/_/N-262g?filterByKeyWord=radiator+flush&fromString=search
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Oct 20, 2012 • 1994 Lexus LS 400
3helpful
1answer

I have a 91 lexus ls400 and its overheating. the only problem i can find is both electric fans dont kick on (i can wire them to a relay to bypass the factory wiring). i took the hoses off the engine and...
would have repaced the thermastadt. most commen cause of those fans not turning on because thr thermostadt is not letting the hot water flow into the radeattor .by passing the wiring and relays can only lead to bigger problems , but you have proven your fans work. water just drizled out of the block cause you had no water in the house to the pump ( no water to pump) thermostadts, temp sensors or temp sending unit .simple check for themostadt fill up with all houses attached with rad cap off run engine fill rad as needed keep feeling top hose to radiator it should get hot all of the sudden thats your thermostadt opening( working) go to next step check sensors or sending unit. realy best if you get a haynes or chilton at the half priced book store or auto parts storeand go to trouble shooting for over heating
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Aug 02, 2010 • 1991 Lexus LS 400
0helpful
2answers

My lexus ls400 1991 the two electri fan all time is on
Either the temperature sensor on the radiator, or the relay is bad.
Pull a wire off the temperature sensor on the radiator.
If it stops the fans, then the sensor is bad and the relay ok.

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Jul 19, 2010 • 1991 Lexus LS 400
0helpful
2answers

I have chanage the radiator, water pump, top cellinder gasket and radiator fan blared. but my ls400 is still overheating. whet do i do for it to stop
First would be the thermostat. If you have already done so, change the temperature sending unit.
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Apr 26, 2010 • 1991 Lexus LS 400
0helpful
1answer

I have a 1991 lexus ls400 and when i start after it has been sitting all night it blows kind of thick grey smoke form the pipes for about 3 minutes but there is no overheating or sign of a head gasket...
gas treatment.
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Dec 17, 2009 • 1991 Lexus LS 400
0helpful
1answer

What causes 1991 toyota camry to over heat? we put a new radiator in it last year cause the radiator got cracked. but it didnt start overheating til this year. so we changed the thermostat thinking it...
Change the radiator cap, it may be the wrong pressure rating which will cause the coolant to boil at a much lower temperature than designed.
Read full answer
Nov 18, 2009 • 1991 Toyota Camry
0helpful
1answer

The engine keeps overheating. And though I put water in the radiator, soon enough, it will blow out steam. Can you help me?
i would check thermostat and if it is good you have a headgasket blown
Read full answer
Nov 09, 2009 • 1991 Acura Legend
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