My old 90, gtr celica. is using/leeking oil and drinks heaps of water. have had a new timming belt and gasket done. i have cheaked and recheaked just about everything short of pulling the motor out.it has bein to mechanics shop a few times and then again to a diffrent mechanic and the same problems keep reoccurring. i need this beastr to go to work but cannot yet afford a new car. any help would be grately appreciated.
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Re: piece of @#$%
I'm afraid the only advise I can give, is to overhaul the engine.
It's using oil, therefore the piston rings are worn out, as well as the bearings, (Crankshaft, camshaft, and connecting rod) The cylinders may need to be bored larger, and oversize pistons installed, (As well as oversized piston rings)
When bearings are worn, this increases clearance between the bearing surface, and the object the bearing is installed on. Oil squirts out, and is thrown up on the cylinder walls, making it's way to be burned along with the fuel/air mixture.
New gaskets will be installed, which will stop the oil leaks. The water consumption should stop. (Provided you just have a warped cylinder head, and/or blown head gasket. If the cylinder head is cracked, it will need replacing)
You will get Much better gas mileage, and the engine should run another 200,000 miles at least.
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drain coolant until below water pump level. loosen water pump pulley bolts.then remove drive belt by rotating belt tensioner.remove drive belt from the right of idler pulley.carefully release the drive belt tensioner spring tension.then remove water pump pulley bolts and pulley.remove water pump bolts and water pump pay attention to the position old water pump when removing water pump so you can line up new water pump holes to the engine. be sure clean engine water pump mounting surface use gasket remover dont scratch engine surface when cleaning removing old gasket material. take new water pump gasket get it mounting holes line up with new water pump mounting holes.when done getting engine water pump surface clean.water pump gasket paper you need to put thin layer of sealer on both sides of water pump gasket use RTV SILICONE.LET SET UP 10 MINUTES. PUT GASKET ON WATER PUMP BUT FIRST MAKE SURE LINE UP GASKET HOLES WITH WATER PUMP HOLES BEFORE PUTTING ON THE GASKET SEALER.when gasket sealer set up 10 minutes then install new water pump with gasket to the engine torque to 89 inch lbs.or 10 NM that is about 7 ft lbs torque.you should be able turn water pump by hand if you cant turn water pump by hand got too tight damage water pump shaft bearing.when all done wait for THREE HOURS. before adding coolant i let RTV CURE SOME. torque water pump pulley bolts 18 ft lbs.
How about a crack in the cylinder head or a gasket leaking into either the inlet manifold and being sucked into the engine, or being blown into the exhaust system and being boiled away. Ask a radiator repair shop to carry out an O2 test on the coolant. They may detect presence of the gas in the water confirming a leak into the exhaust system.
Assuming your Celica has a belt and not a chain (made from 1988 to 1999,) the timing belt is located behind a plastic cover on the right (passenger) side of the engine. It is not one of the belts that you can readily see; it is hidden behind a protective cover and you have to take off this timing cover as well as the alternator, A/C and power steering belts to get to your timing belt. You will likely also have to remove your right side engine mount. This is a three to four hour job when a mechanic is doing it; it will take someone uninitiated quite a bit longer.
If you are asking where it is located so you can inspect it like the owner's manual tells you to, don't bother. A timing belt that is three months old looks like one that is three years old; the only thing you would be able to tell is if failure were imminent - by looking at the roots of the teeth on the belt to see if the teeth are starting to separate from the rest of the belt. All other observations about the belt are not relevant to an evaluation of its condition; the only exception would be if the belt is getting coolant on it from a failing water pump. On most Celica engines, the timing belt drives the water pump as well as the camshaft.
To have it replaced is a multi-hundred dollar job; how many hundreds depends upon how thorough a job you want done. Timing belts are good for five years or 60,000 miles, so it is prudent (though not strictly necessary) to replace all of the pieces that might fail in the next five years and kill your timing belt - and your engine with it. These things include the timing belt tensioner and/or idler pulleys, water pump, and crankshaft and camshaft oil seals, and maybe the valve cover gasket (some Toyota engines.) Doing these things is foolish if you are planning on selling the car soon; not doing them is foolish if you plan to keep the car for more than two years.
water pumps usually only leak after shut down but no guarantees, you may also want to change oil pump o ring seal. It's right next to water pump, they get old and leak too.Oil pump o-riing and shaft seal very inexpensive from dealer,
Toyota Celica, Corolla, ECHO & MR2 1999-05Toyota Celica, Corolla, ECHO & MR2 1999-05 2002 Toyota Celica 1.8L MFI DOHC 4cyl
The thermostat is located in the water inlet housing that is connected to the lower radiator hose. The thermostat is equipped with a by-pass valve. If the engine tends
to overheat, removal of the thermostat would cause a decrease in
cooling system efficiency.
CAUTIONNEVER drain coolant directly onto the ground! NEVER open, service
or drain the radiator or cooling system when hot; serious burns can
occur from the steam and hot coolant. Also, when draining engine
coolant, keep in mind that cats and dogs are attracted to ethylene
glycol antifreeze and could drink any that is left in an uncovered
container or in puddles on the ground. This will prove fatal in
sufficient quantities. Always drain coolant into a sealable container.
Coolant should be reused unless it is contaminated or is several years
Fig. The oil filter must be removed to access the thermostat on the 5S-FE engine
Position a suitable drain pan under the radiator drain **** and drain the cooling system.
On the 7A-FE engine disconnect the engine coolant temperature switch harness from the water inlet housing.
Fig. Disconnect the engine coolant temperature switch wiring located on the side of the thermostat housing
Remove the oil filter on 5S-FE engines.
Loosen the hose clamp and disconnect the lower radiator hose from the water inlet housing.
Fig. Loosen the radiator hose clamp ...
Fig. ... then slide the hose off the thermostat housing
Remove the two nuts from the water inlet housing and remove the housing from the water pump studs.
Fig. Only two nuts hold the housing to the cylinder head
Fig. Pull the housing straight out to remove
Remove the thermostat and rubber O-ring gasket from the water inlet housing.
Fig. Then pull the thermostat and gasket out
Fig. Sometimes the gasket is stuck and has to be pried out of the head To install:
Make sure all the gasket surfaces are clean. Clean the inside of the inlet housing and the radiator hose connection with a rag.
Install the new rubber O-ring gasket onto the thermostat. On
5S-FE engines, align the jiggle valve with the upper side of the stud
bolt. Insert the thermostat into the housing.
Fig. Only use the correct temperature range thermostat when for replacement
Fig. Align the jiggle valve within a 10°gap of the stud bolt-7A-FE engine
Fig. Align the jiggle valve within a 5°gap of the stud bolt-5S-FE engine
Position the water inlet housing with the thermostat over the
studs on the water pump and install the two nuts. Tighten the two nuts
to 78-82 inch lbs. (9-10 Nm).
Don't forget to install a new O-ring onto the water inlet pipe. Apply soapy water to the O-ring prior to installation.
Connect the lower radiator hose to the inlet housing and install the hose clamp.
Attach the water temperature switch connector.
Install the oil filter and check the oil level if removed.
Fill the cooling system with a good brand of ethylene glycol based coolant.
Start the engine and inspect for leaks.
Remove the right hand cover under the engine.
Drain the engine coolant.
Remove the fan and generator V belt.
Remove the generator assembly
Remove the water inlet via the two nuts.
Remove the thermostat.
Install a new gasket onto the thermostat.
Install the thermostat with the jiggle valve upward. It can be set within 10 degrees on either side of the prescribed position.
Install the water inlet via the two nuts. Torque to 8 ft. lbs. (11 Nm).
Install the generator assembly.
Add engine coolant.
Inspect for leaks.
Replace the cover under the engine.
I hope help you with this (remember rated this help) Good luck.
there is a special tool to hold gears in correct place on some of these models, but you can hold one cam at a time with a spanner then feed belt on exhaust cam then inlet cam gear
get someone to hold gears in place while you feed belt on.
the inlet cam is more prone to turn off mark more than exhaust.
if you have tensioner that needs retaining pin in when installing
you fit belt while aligning timming marks
fit tensioner as last spot to feed belt on with retaining pin in adjuster
get correct tension on belt by turning water pump so that you can flex (turn) belt 90 degrees only just while using finger and thumb
tighten water pump check flex
check all timing marks are correct
remove retaining pin from auto tensioner
turn motor over a couple of turns by hand observing tensioner arrow should hover around V mark and that all timing marks align up again(after one complete turn)
MOST LIKELY A 10W-30 MOTOR OIL. IF YOU REALLY WANT TO KNOW WHAT TOYOTA RECOMMENDS JUST CALL A TOYOTA DEALER AND TALK TO THE PARTS DEPARTMENT OR THEIR SERVICE WRITER THEY WILL TELL YOU WHAT TOYOTA FACTORY RECOMMENDS.