The time belt is do of a hard rubber compound. It is susceptible to stretching and tearing as it rotates an extremely quickly between the engine pulleys. Instead of the belt is difficult, yet the task is much easier if no engine damage has occurred.

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This article uses to the 4th generation Toyota Camry (1997-2001).

The time belt associate the crankshaft, camshaft, water pump and also oil pump together. As soon as this belt breaks, every engine power is lost. A time belt can be checked visually by removing the timing belt covers; although, belts that show up unworn by eye might still break. Engine damages can result when the belt breaks on an interference engine. Interference refers to the call that have the right to be made once the pistons win the valves top top a wrongly timed engine. The VVT-i version of these engines have an interference design. If her belt damaged on her VVT-i engine, you may want to perform a leak down test to check your valves/pistons room not damaged.

The Toyota Camrys come equipped v a 4-cylinder (5SFE) or 6-cylinder (1MZFE) engine. Every engine"s recommended time belt replacement interval is 90,000 miles. Once replacing the timing belt, it"s advised to purchase a timing belt kit. Kits will incorporate a time belt, water pump, and also idler pulleys.


Materials NeededSocket set (8mm-21mm)3/8" and 1/2" ratchetsVariety extension lengthsPry barImpact wrenchStud removal tool (V6 engine)2 wheel chocksFloor jack2 jack standsBreaker barFlat head screwdriverBlock of woodGasket scraperDrain panShop ragsBrake cleaner2 gallons that coolant1 timing belt kit through water pump

The 4-cylinder and 6-cylinder engine timing belt replacement procedures differ slightly. Some points to keep in mind on the 1MZFE engine are:

A 10mm stud holds the water pump come the block top top this engine. A stud removed tool can be used, otherwise the camshaft sprockets and timing belt cover will must be removed first.The tensioner will apply tension come the belt together the tesnioner bolts are tightened. Over there is no different tensioning spring.

Use figures 1 and also 2 come familiarize yourself v the timing system components on the 5SFE engine.

Figure 1. The time belt diagram.Figure 2. The timing belt components and alignment clues on the 5FSE engine.

Step 1 – progressive the front of the vehicle

Engage the parking brake and chock the behind wheels. If you perform not have actually an influence wrench, ease the lug nuts on the passenger"s side front wheel, but do not eliminate them. Using your floor jack, raise each front wheel and also place jack stands under the structure rails. A block that wood have the right to be used to minimize the hazard of damage caused by the jack stands.

Figure 3. Jack up the front end via the front crossmember.
Figure 4. For sure on stands via pinchweld.

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Step 2 – remove passenger"s side front fender apron seal

Behind the passenger"s side wheel is the apron seal. Two 10mm bolts host it in place. Remove will offer you access to the harmonic balancer and timing cover.

Step 3 – drainpipe the coolant

Place a drain pan under the radiator and loosen the radiator drain plug.

Step 4 – loosen the crankshaft pulley bolt

Use your affect driver to eliminate the bolt. If you do not have actually an affect driver, a breaker bar have the right to be placed against the soil or auto frame. The engine will certainly spin clockwise, so be certain you location the breaker bar in a location where it will not move and also damage the car. Through the breaker bar locked in place, rotate the ignition come the start position for one second. This should make the bolt loose enough because that removal with a ratchet.

Once the bolt is able to rotate, usage it to relocate the harmonic balancer back into peak dead center alignment v the time belt cover. A fast counterclockwise twist v the ratchet should not annoy the pulley"s alignment and also make it feasible to totally remove the bolt.

Figure 5. Making use of a breaker bar and a item of wood to loosen the harmonic balancer bolt.

Step 5 – remove the power steering belt

Loosen the power steering mediate bolt through a 12mm socket. Making use of a lengthy pry bar, lift the strength steering pump in an upward direction to remove the belt.

Figure 6. The place of the strength steering convey bolt (red circle).

Step 6 – eliminate the alternator belt and bracket

Disconnect the 3 ground straps found on optimal of the time cover. Friend will must squeeze the flexible tabs top top the connectors to different them. Loosen the alternator mediate locking bolt and pivot bolt till the alternator have the right to be relocated far sufficient for belt removal. Remove the alternator parentheses bolt and also bracket, then eliminate the camshaft place sensor cable clamp. Different the connectors by squeezing and pulling castle apart. Figure 1 has views the both of alternator bracket and also camshaft position sensor wire clamp.

Figure 7. The location of the CPS connector.

Step 7 – eliminate the engine control rod and also mounting bracket

Support the engine by put a wooden block on her floor jack and also pushing against the oil pan. It does not need to be increased much, but just enough to eliminate the engine"s weight from the motor mount. Remove the three bolts native the engine manage rod, and also then the 3 bolts native the engine mounting bracket. The clip is shaped prefer a triangle and bolts deserve to be uncovered at each corner.

Figure 8. The control rod"s location.
Figure 9. The red arrow points to the reduced bolt ~ above the engine mounting bracket.

Step 8 – eliminate the timing belt covers and harmonic balancer

Remove the 4 10mm bolts surrounding the top timing belt cover, and then remove the harmonic balancer. If the balancer will certainly not pull turn off the crankshaft snout, two flat bars can be used as leverage. If you"re still unable to eliminate the balancer, you"ll need a bolt-type balancer pulling tool.

Now eliminate the lower timing cover and disconnect the crankshaft place sensor.

Step 9 – eliminate the timing belt

With the timing equipment sprocket and camshaft equipment still at top dead center, apply paint marks come the belt, gears, and also backing plates come ease brand-new belt alignment. The old belt have the right to be laid against the new belt to transfer the marks. This makes an easy to see guide while tensioning the new belt.

Remove the tension spring and also idler pulley from the tensioner, then remove the belt.

Figure 10. You can see the white paint alignment marks and also tensioner idler pulley (red circle).

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Step 10 – eliminate the water pump

Seven bolts organize the water pump come the block. Relocate your hand about the edge of the pump to uncover them. Once the bolts space loosened, have actually a drainpipe pan ready since some coolant will still be in the pump. As soon as the pump is removed, clean the block mounting surface with a gasket scraping tool. Rub the surface ar clean through brake cleaner and also a rag.

Figure 11. Four of the seven bolts stop the water pump to the block.

Step 11 – download the new timing belt

Install the brand-new idler pulleys. Position the tensioner idler sheave close come the camshaft to save tension turn off of the new belt during installation. The tensioner idler sheave only demands to be hand-tightened.

Begin routing the timing belt in this order: crankshaft gear, idler pulley, water pump, then camshaft gear. Once the belt is routed around the camshaft gear, one alligator clip have the right to be offered to store tension on the belt between the camshaft and crankshaft. Finish installing the belt onto the continuing to be pulleys. The painted alignment point out should match up v the gears.

Attach the idler sheave tensioner spring. Install the crankshaft bolt right into the crankshaft gear and turn the engine clockwise two full rotations. Check the pulleys come make certain the belt is properly aligned through the timing marks. The belt have to be centered on the pulleys. If every is well, tighten the tesioner idler pulley.

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Step 12 – finish the installation

Reverse the remove procedure because that installation. The harmonic balancer bolts demands to it is in torqued to about 100 ft.-lbs. Reassemble all of the time covers and double check the the motor is timed correctly. Re-install the passenger"s next engine mount, and redo all of the disassembled equipment on the next of the motor, including your alternator. Prior to you begin the car, make sure you have filled the cooling system. Leave the lid off the cooling mechanism to bleed all air indigenous the device as the engine is warming. Permit the auto idle and also listen for any type of unusual noises. If whatever checks out, lower the auto off the stands and go because that a check drive.