Tip & How-To about 2001 Hyundai Elantra Fuel Injector Standard

2003 Sonata Valve Cover Replacement, Fuel Injector Flushing, idle air sensor, throttle position sensor

This are videos to help you guys save some money. Step by step on motor tear town to replace leaking valve gaskets and spark plug gaskets, idle air sensor, throttle position sensor, PCV valve and lastly how to flush out your injectors instead of replacing them for literally $6!!

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replacing a head gasket in a 1993 buick century


Before head gasket replacement have you checked these
Intake Manifold Gaskets May Leak Coolant or Engine Oil
engine or leak. In some cases, an internal coolant leak may occur causing coolant to mix with the engine oil. Our technicians tell us that operating the engine with a coolant/oil mix can result in internal engine damage. Replacing the intake manifold gasket should correct these leaks.
Leaking Water Pump May Cause Coolant Loss and Overheating
A coolant leak may develop from the . The may overheat as a result of the coolant loss. A leaking water pump should be replaced.
Headgasket replacement
step 1. undo negative battery cable or completely remove battery and tray.
step 2. remove air cleaner and associated piping if it is in the way to allow access to head, drain cooling system and remove upper radiator hose.
step 3. remove top portion of exhaust manifold.
step 4. remove intake manifold and fuel injection rail as necessary
step 5. remove spark wires and valve cover.
step 6. remove drive belts and top timing cover before removing timing belt find all alignment marks and paint to improve your visibility and aid in reassembly if no marks are present remove spark plug # 1 and rotate until piston is at tdc and check timing mark on crankshaft that it is on 0 then paint the belt and cams anything that has teeth that the timing belt rides on make a mark to aid in reassembly even if you are replacing t-belt at least you can compare to new belt and transfer marks, release tension on t-belt tensioner and remove t-belt.
step 7. remove head bolts start loosening at inside and work outwards reemove head bolts and pay attention to sizing and placement.
carefully check for anything that is still attached to head and if free tap head with rubber or dead blow hammer to free from block and lift straight up so as not to ruin or bend any of the alignment pegs.
step 8. remove head gasket material with non-scratching tools or scrapers or buff pads made for that job. making note of where it was blown.
step 9. decide if you should send head to machine shop to have mating surface made flat again and also to have valves and related parts inspected or replaced. usually about $300-$400
step 10. inspect block remove all gasket material look for pitting or scarring also use straight edge to determine if it is straight or if it needs to be resurfaced by a machine shop.
step 11. install new headgasket and check fit. If all is good reassemble in reverse order of removal and I always like to replace crank seal ,cam seal, water pump, t-belt and tensioner also thermostat, drivebelts, spark plugs, cap, rotor, wires, pcv valve, intake manifold ,exhaust manifold gaskets.
this is just a broad overview hope it helps you will have to get haynes manual or similar for head torque values and what not

Aug 05, 2014 | 1993 Buick Century

1 Answer

i have 95 ford t-bird, 4.6 when at idle and shift into a gear or step on throttle little bit she hesitates.?? I have cleaned egr valve pcv, no vacuum leaks also new tps. i feel idle air control valve, needs cleaning, whats your take on this? thanx


IAC valve may need to be cleaned but it would not idle corectly if so . look for holes in tube going to throttle body . also have you replaced wires and spark plugs ?

Sep 21, 2013 | Cars & Trucks

1 Answer

my 02 galant runs rough when put in gear but in idle runs okay it also surges up and down replaced the plug wires


Okay, lets start with the oil you found on spark plugs when you were replacing them. this oil is coming from the valve cover tube hole area, notice the plugs go into the holes in the valve cover, there is a gasket the goes around the top of the tubes and when it leaks it goes into spark plug hole, the valve cover needs replacing .
this will cause rough idle and running problems, after replacing valve cover gasket the holes must be cleaned, using crab cleaner, spray into holes and use air to blow out . this may need to be done a few times to get oil out .
after oil is removed . then remove spark plugs and wipe them clean.
The next step is to find the air (vacuum leak) , you said you hear it around intake tube. check for cracks or broken vacuum line. this leak will cause idle problems and driving problems,

Nov 18, 2012 | Cars & Trucks

1 Answer

It appears that I have a leaking/blown head gasket on my 1993 Town Car. There is coolent in the oil. I haven't had a chance to do a compression test. With the 4.6, is this the most likely source of the coolent leak? The motor still will run nice and smooth,though I haven't run it since discovering this problem. There was no event such as over heating that I can say was the cause of the coolent leak.


don't run the engine with coolant in the oil the sugar content in most anti freexes will crystalize the rod and main bearings causing severe internal damage to the crankshaft! pull the spark plugs one at a time! to see which one has water on them and then remove the cylinderhead on that side and replace the head gasket and check for a crack around the exhaust valves but tis better when you tear a engine down! too! replace both!! head gaskets!

Jan 22, 2010 | 1993 Lincoln Town Car

3 Answers

my 2002 toyota camry v6 doesn't stay idled.


I too would suspect the Idle AIr Control valve. That is becoming a very common issue these days; we replace several a month.

Sep 03, 2009 | 2000 Toyota Camry Solara

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