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How to change head gasket rx300 2009 - RX 300 Lexus Cars & Trucks

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This is pretty involved as you must remove top of engine completely. Top cover reveals all your air intake manifold and there quite of hoses, brackets to remove as well. Do you know which head or you planning to do both? A YouTube video shows the process of changing valve cover gaskets, which shows the efforts required to start this job.

Posted on Jan 03, 2015

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Posted on Jan 02, 2017

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How to stop water from bubbling in the expansion bottle after changing head gasket water pump heat sender unit


why did you need to change the head gasket in the first place ?
There may be a reason the gasket failed like a crack in the head or a warp in the head of the engine.

May 09, 2016 | Cars & Trucks

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I got a 1990 Toyota hilux with a 22r engine in it. i changed the head and the head gasket it had coffee coloured stuff in the radiator but the coolant & the coffee coloured stuff weren't sticking


This is oil and water mixed together from the damaged head gasket buy some radiator flush and flush cooling system and also do an oil change after a few miles.

Feb 14, 2015 | Toyota Cars & Trucks

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Changed my oil today.When I took the cap off to replace the oil,the cap had some white goo on it.What is this?


Could be a leaking cylinder head gasket or a small crack in the cylinder head. Is the head aluminum? Make and mileage of the vehicle will sometime help as some vehicle makes are notorious for head gasket problems. This allows coolant into the oil and causes this goo on the inside of the cap. Have a trustworthy shop check it out to be sure.

Dec 14, 2014 | Cars & Trucks

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Help vt commodore


it is not normal , when you change it you have to consider the fallowing :

- gasket are new ( all )
-head have to be macheened
-head have to be torque based on model specification

Jun 24, 2013 | Cars & Trucks

1 Answer

When u change rear rocker gasket on 1989 flstc do u have to change head gasket


if you replacing head gasket it will be first then replace valve cover gasket after reinstall the intake manifold and its new gasket.

May 07, 2013 | Cars & Trucks

2 Answers

Have changed head gasket etc. as thought was that but on start up to flush engine water was pouring straight out sum. nothing looked wrong in head gasket or intake gasket areas.


where is the watter coming out from? did you follow torque sequence / did you have head resurfaced? check block / did you find any thing wrong with the old head gasket? please give more info, so we can give you better assistance , Thank you for using Fixya.

Apr 10, 2010 | 1988 Subaru Justy

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Overheating they say head gasket changed


If you have white smoke from the tailpipe, coolant in the engine oil, engine oil in the cooling system, that indicates a head gasket failure. However, the most definitive way to test is to have a hydrocarbon test done on the cooling system (checks for exhaust gasses that obviously don't belong in there).
If the system comes up clean, you still can have either a leaking intake gasket, partially obstructed radiator (many times flush will go around obstructions not through them), a malfunctioning electric fan or fan relay, or even an obstruction in front of the a/c condenser or between the condenser and radiator (leaves, plastic bags etc) Don't forget though even if the cause is other than a gasket, if repeatedly or severely overheated the head gaskets can also fail. That is why complete testing is very important.
good luck

Jan 20, 2010 | 2002 Chevrolet Venture Passanger

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Cylinder head gasket


hi, if you are changing the head gasket then it may be worth checking the water pump and thermostat as it could have been one of these that failed causing it to over heat and then blown the head gasket so check the water pump and thermostat once you have the cylinder head off.

You may need the head checking to see if it has been warped but this is unlikely on this make of vehicle.

Once you have done the gasket make sure that when you fill the coolant up you only trickle the water in to prevent any air lock as this will cause it to over heat again, check for any bleed screws on the coolant system to let the air out whilst filling the coolant up,

Its best you check in the workshop manual for these as their may not be none as it could be self bleed system.

It also worth checking if the head bolts need changing as they do stretch and can cause the gasket not to seal properly so replacing these may be a good idea.

Let me know how you get on or if you need further assistance ok.

ps what makes you think the head gasket has gone??

Jan 09, 2010 | 1995 Jeep Cherokee

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Blown head gasket


I would change both, as well as use new head bolts. Make sure your heads are not warped or cracked, especially the one that is leaking. There may not be any need to change the head if it is not cracked. These are prone to blowing a gasket especially after 150K miles or so. It will not cost a huge additional amount to change both head gaskets since the engine will have to be disassembled down to the heads anyway. Hope this helps you, Rick

Apr 18, 2009 | 1998 Ford Crown Victoria

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