What is the metal plate called that goes on the crankshaft where the timing belt is?

They are called a reluctor wheel and some are heated and pressed on, others are bolted on or held in place with dowel pins and then some fit on keyways. They attach to the crankshaft and rotate were as the sensor is attached to the housing and is stationary.

You will have to tear it back down where you can get to timing belt and all pulleys.

Timing Belt

Print
REMOVAL and INSTALLATION
See Figures 1, 2 and 3

Fig. Fig. 1: Timing belt, tensioner and camshaft gear

Fig. Fig. 2: Timing belt alignment marks

Fig. Fig. 3: Timing belt tensioner and belt
Timing belts must always be handled carefully and kept completely free of dirt, grease, fluids and lubricants. This includes any accidental contact from spillage, fingerprints, rags, etc. These same precautions apply to the pulleys and contact surfaces on which the belt rides.The belt must never be crimped, twisted or bent. Never use tools to pry or wedge the belt into place. Such actions will damage the structure of the belt and possibly cause breakage.

1. Disconnect the negative battery cable.
2. Raise and safely support the vehicle.
3. Remove the 4 crankshaft pulley bolts and remove the crankshaft pulley.

It is not necessary to loosen the crankshaft timing belt pulley bolt at the center.

1. Remove the timing belt cover.
2. Align the 4 timing marks by turning the crankshaft.
3. Remove the timing belt tensioner, tensioner plate, tensioner spring, spring damper and timing belt.

After the timing belt is removed, never turn the camshaft or crankshaft independently. If turned, interference may occur among the pistons, and valves and parts related to the pistons and valves may be damaged.

1. Inspect the timing belt for wear or cracks and replace as necessary. Check the tensioner for smooth rotation.

To install:

1. Install the tensioner plate to the tensioner.
2. Insert the lug of the tensioner plate into the hole of the tensioner.
3. Install the tensioner, tensioner plate and spring. Do not tighten the tensioner bolt and stud, make the bolt hand tight only.

Be sure that plate movement is installed in the proper direction that causes the same directional movement of the tensioner inner race. If no movement between the plate and inner race occurs remove the tensioner and plate again and reinsert the plate lug into the tensioner hole.

1. Check that the timing mark on the camshaft timing pulley is aligned with the V mark on the cylinder head cover. If not align the 2 marks by turning the camshaft by be careful not to turn it more than the allowable range.
2. Check that the punch mark on the crankshaft timing belt pulley is aligned with the arrow mark on the oil pump case. If not align the 2 marks by turning the camshaft by be careful not to turn it more than the allowable range.
3. With the 4 marks aligned, install the timing belt on the 2 pulleys in such a way that the arrow marks on the belt (if so equipped) coincide with the rotating direction of the crankshaft. In this state the No. 1 piston is at top dead center of its compression stroke.
4. Install the tensioner spring and spring damper. To allow the belt to be free of any slack, turn the crankshaft 2 rotations clockwise after installing the tensioner spring and damper. After removing the belt slack, first tighten the tensioner stud to 8 ft. lbs.. (11 Nm) and then the tensioner bolt to 20 ft. lbs.. (27 Nm).

As a final check, confirm that both sets of timing marks are aligned properly.

1. Ensure that the seal is between the water pump and the oil pump case. Install the timing belt outside cover. Torque the timing belt cover bolts to 8 ft. lbs.. (11 Nm).
2. Install the crankshaft pulley. Fit the keyway on the pulley to the key on the crank timing belt pulley and tighten the 4 bolts to 8 ft. lbs.. (11 Nm).
3. Lower the vehicle and install the negative battery cable.

Here are instructions from autozone.com: Please be sure the belt is tight on the right side with the gears aligned before releasing tensioner onto belt.

To install:

1. If necessary, install the timing belt inside cover.
2. Slide the timing belt guide on the crankshaft so that the concave side faces the oil pump, then install the sprocket key in the groove in the crankshaft.
3. Slide the pulley onto the crankshaft, and install the center retaining bolt. Tighten the center bolt to 48-54 ft. lbs. (65-75 Nm) for 1986-88 1.3L engines, to 76-83 ft. lbs. (105-115 Nm) for 1989-95 1.3L engines, or to 58-65 ft. lbs. (80-90 Nm) for 1.6L engines. To hold the crankshaft from turning, you can use Suzuki Tool 09927-56010 (or equivalent), or a large prybar inserted in the transmission housing slot and the flywheel teeth.
4. Install the timing belt camshaft sprocket, ensuring that the slot in the sprocket engages the camshaft (pulley) pin; this ensures that the sprocket is properly positioned on the end of the camshaft. Secure the camshaft with the metal rod used during removal, then tighten the sprocket bolt to 41-46 ft. lbs. (56-64 Nm).
5. Assemble the timing belt tensioner plate and the tensioner, making sure that the lug of the tensioner plate engages the tensioner.

Fig. 14: Assemble the tensioner (2) and the plate (1) so that the lug (3) engages the hole (4) in the tensioner

1. Install the timing belt tensioner, tensioner plate and spring on the engine. Tighten the mounting bolt and stud only finger-tight at this time. Ensure that when the tensioner is moved in a counterclockwise direction, the tensioner moves in the same direction. If the tensioner does not move, remove it and the tensioner plate to reassemble them properly.
2. Loosen all rocker arm valve lash locknuts and adjusting screws. This will permit movement of the camshaft without any rocker arm associated drag, which is essential for proper timing belt tensioning. If the camshaft does not rotate freely (free of rocker arm drag), the belt will not be properly tensioned.
3. Rotate the camshaft sprocket clockwise until the timing mark on the sprocket and the V mark on the timing belt inside cover are aligned.
4. Using a 17mm wrench, or socket and breaker bar, on the crankshaft sprocket center bolt, turn the crankshaft clockwise until the punch mark on the sprocket is aligned with the arrow mark on the oil pump.

Fig. 15: When installing the crankshaft sprocket (pulley), ensure that the concave side of the timing belt guide is facing the engine Fig. 16: Before installing the timing belt, position the camshaft sprocket (1) so that the timing mark on the sprocket (2) is aligned with the notch (3) on the inside timing belt cover (4)

Fig. 17: ... and ensure that the crankshaft sprocket (1) timing mark (2) is aligned with the mark on the oil pump (3)

Fig. 18: Install the timing belt on the sprockets so that there is no slack in the drive side of the belt (1), then install the tensioning assembly

Fig. 19: To properly tension the timing belt, rotate the crankshaft through two full revolutions

1. With the camshaft and crankshaft marks properly aligned, push the tensioner up with your finger and install the timing belt on the two sprockets, ensuring that the drive side of the belt is free of all slack. Release your finger from the tensioner. Be sure to install the timing belt so that the directional arrow is pointing in the appropriate direction.

In this position, the No. 4 cylinder is at Top Dead Center (TDC) on the compression stroke.

1. Rotate the crankshaft clockwise two full revolutions, then tighten the tensioner stud to 18-21 ft. lbs. (24-30 Nm) for 1986-88 models, or to 80-106 inch lbs. (9-12 Nm) for 1989-95 models. Then, tighten the tensioner bolt to 18-21 ft. lbs. (24-30 Nm).
2. Ensure that all four timing marks are still aligned as before; if they are not, remove the timing belt, and install and tension it again.
3. Install the timing belt cover and all related components.

Well, if you mean the accessory drive belt (aka serpentine belt, drives the alternator, a/c compressor, p/s pump, etc), that would be the crankshaft pulley, sometimes also called the harmonic balancer.
If you mean the timing belt or timing chain (located behind the accessory drive belt, often behind a metal shield or housing), it is also driven by a crankshaft pulley or gear, but a different one than the accessory drive belt.
If you mean some other belt, you will have to be more specific.

Here are the instructions for removing the timing cover, and for replacing the timing belt. If this is helpful, please click my accept button! Thanks!
Remove accessory drive belts.

1. Remove water pump pulley to pump hub attaching bolts, then the pulley.
2. Remove right inner fender panel to gain access to crankshaft pulley.
3. Remove outer crankshaft pulley attaching bolts, then the outer stiffener/spacer and outer pulley
4. Remove inner stiffener/spacer, attaching screws, inner pulley and baffle plate.
5. Remove attaching bolts, then the upper and lower timing covers.
6. Reverse procedure to install. When installing crankshaft pulley, ensure curved lip on baffle plate and deep recess of inner pulley face outward

1. Remove timing belt covers as outlined previously.
2. Remove timing belt tensioner pulley attaching bolt, then the tensioner pulley, spring and spring cover
3. If reusing old belt, mark direction of rotation on belt to aid installation.
4. Remove timing belt from crankshaft and camshaft sprockets.
5. Check crankshaft and camshaft sprockets, tensioner pulley and timing belt for wear or damage. Replace components as necessary.
6. Align camshaft and crankshaft sprocket timing marks with marks on cylinder head and oil pump housing
7. Install timing belt. If reusing old belt, ensure belt is installed so that direction of rotation mark made during removal is positioned correctly.
8. Install spring and spring cover onto tensioner pulley, then install pulley and attaching bolt. Do not tighten bolt at this time.
9. Install tensioner spring onto anchor, then tighten pulley attaching bolt to torque listed at the end of this section.
10. Reinstall timing belt covers.

This photo shows timing marks.

2.4L Engine
NOTE You may need DRB scan tool to perform the crankshaft and camshaft relearn alignment procedure.

1. Remove or disconnect the following:
   
   • Negative battery cable
     
   • Right front wheel and inner splash shield
     
   • Accessory drive belts
     
   • Crankshaft damper
     
   • A/C compressor/alternator tensioner and pulley assembly
     
   • Lower front timing cover
     
   • Upper front timing cover
     
   • Right engine mount
     
   • Engine mount bracket
     
   
   NOTE This is an interference engine. Do not rotate the crankshaft or the camshafts after the timing belt has been removed. Damage to the valve components may occur. Before removing the timing belt, always align the timing marks.
   
2. Rotate the crankshaft until the Top Dead Center (TDC) mark on the oil pump housing aligns with the TDC mark on the camshaft sprocket (located on the trailing edge of the tooth).
   
3. Loosen the timing belt tensioner lock bolt.
   
4. Insert a 6mm Allen wrench into the hexagon opening located on the top plate of the belt tensioner pulley. Rotate the top plate clockwise until there is enough slack to remove the belt.
   
5. If necessary, remove the camshaft timing belt sprockets.
   
6. If necessary, remove the crankshaft timing belt sprocket using removal tool No. 6793, or equivalent.
   
7. Place the tensioner into a soft-jawed vise to compress the tensioner.
   
8. After compressing the tensioner, insert a pin (a 5/64 in. Allen wrench will also work) into the plunger side hole to retain the plunger until installation.
   

Camshaft and crankshaft alignment marks—2.4L engine




To lock the timing belt tensioner, be sure to fully insert the smaller Allen wrench into the tensioner as shown—2.4L engine





Installation of the timing belt, notice the camshaft alignment— 2.4L (VIN B) engine


To install:

1. If necessary, use tool No. 6792, or equivalent, to install the crankshaft timing belt sprocket onto the crankshaft.
   
2. If necessary, install the camshaft sprockets onto the camshafts. Install and tighten the camshaft sprocket bolts to 75 ft. lbs. (101 Nm).
   
3. Set the crankshaft sprocket to Top Dead Center (TDC) by aligning the notch on the sprocket with the arrow on the oil pump housing.
   
4. Set the camshafts timing marks so the exhaust camshaft is 1/2 notch below intake camshaft sprocket. Make sure the arrows on both camshaft sprockets are facing up
   
5. Install the timing belt starting at the crankshaft, then around the water pump sprocket, idler pulley, camshaft sprockets and around the tensioner pulley.
   
6. Move the exhaust camshaft sprocket counterclockwise to take up the belt slack.
   
7. Insert a 6mm Allen wrench into the hexagon opening located on the top plate of the belt tensioner pulley. Rotate the top plate counterclockwise until there is no slack on the belt. The tensioner setting notch will start to move clockwise. Watch the notch and continue rotating the top plate counterclockwise until the setting notch is aligned with the spring tang. Using the Allen wrench to prevent the top plate from moving, tighten the tensioner lock bolt to 220 inch lbs. (25 Nm). The setting notch and spring tang should remain aligned after the lock nut is tightened.
   
8. Rotate the crankshaft 2 revolutions and recheck the timing marks.
   
9. Check the spring tang is within the tolerance window. If not within the window, reinsert the Allen wrench and into the hexagon opening located on the top plate of the belt tensioner pulley. Rotate the top plate counterclockwise until there is no slack on the belt. The tensioner setting notch will start to move clockwise. Watch the notch and continue rotating the top plate counterclockwise until the setting notch is aligned with the spring tang. Using the Allen wrench to prevent the top plate from moving, tighten the tensioner lock bolt to 220 inch lbs. (25 Nm). The setting notch and spring tang should remain aligned after the lock nut is tightened.
   
10. Install the engine mount bracket.
    
11. Install the front timing belt covers.
    
12. Install the A/C compressor/alternator tensioner and pulley assembly.
    
13. Install the right engine mount.
    
14. Install the crankshaft damper
    
15. Install the accessory drive belts and adjust to the proper tension.
    
16. Install the right inner splash shield and wheel.
    
17. Reconnect the negative battery cable.
    
18. Perform the crankshaft and camshaft relearn alignment procedure using the DRB scan tool, or equivalent
    

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Ford Escort/Tracer 1991-1999 Repair Guide

REMOVAL & INSTALLATION 1.8L Engine
(see Figures 1, 2, 3 and 4)

1. Disconnect the negative battery cable.
2. Remove the timing belt covers.
3. Rotate the crankshaft and align the timing marks located on the camshaft pulleys and the seal plate.
4. Remove the crankshaft pulley and hub.
5. If the timing belt is to be reused, mark an arrow on the belt to indicate its rotational direction to enable correct re-installation.
6. Loosen the timing belt tensioner lockbolt and remove the timing belt.

To install:

1. Temporarily secure the timing belt tensioner in the far left position with the spring fully extended, then tighten the lockbolt.
2. Make sure the timing marks on the timing belt pulley (crankshaft sprocket) and the engine block (oil pump housing) are aligned.
3. Make sure the timing marks on the camshaft pulleys and the seal plate are aligned.
4. Install the timing belt.
5. Loosen the tensioner lockbolt. Using a suitable prying tool, position the timing belt tensioner so the timing belt is taut, then tighten the tensioner lockbolt.
6. Turn the crankshaft two turns clockwise and align the timing belt pulley mark with the mark on the engine block.

Fig. 1: Timing marks are located on the camshaft pulleys as shown-1.8L engines



Fig. 2: Make sure that the crankshaft sprocket (timing belt pulley) and oil pump timing marks are aligned-1.8L engines



Fig. 3: Align the timing belt pulley mark with the tension set mark, at approximately the 10 o'clock position-1.8L engines


Fig. 4: Check the timing belt deflection at the location shown-1.8L engines

1. Make sure the camshaft pulley marks are aligned with the seal plate marks.

If the timing marks are not aligned, remove the belt and repeat the procedure.


I hope help you with this; remember rated this help. Good luck.

A factory service manual would help, but I'm assuming that if you had one, you probably wouldn't be on this site.

To set the timing, you need to first perform the obvious: remove the accessory drive belts, cam pulley covers, and engine fan and hub. Next you'll need to rotate the engine by hand until the timing marks on the camshaft sprockets and crankshaft are aligned with their corresponding stationary marks. The 0 degree mark on the lower timing belt cover is the timing mark for the crankshaft pulley. There is a mark (small, vertical formed indentation) for the left camshaft pulley on the backing plate behind the pulley near the 1 o` clock position. The same mark exists for the right camshaft pulley only it is on the backing plate near the 8 o`clock position (making it difficult to see). With the crankshaft placed at the zero mark, you can observed where the timing discrepancy exists.

(TIP: Once the right camshaft timing is properly lined up, etch an additional mark on the pulley's face and the backing plate at the 12 o`clock position. This will make it easier to align the pulley for furture adjustments and repairs)

To set the timing correctly, move the crankshaft pulley to 12 deg. BTDC. Being careful to not disturb the position of the crankshaft once it has been moved to that position, remove the crankshaft pulley, lower timing belt cover, timing belt tensioner, and timing belt. Compress the timing belt tensioner and if the original ring pin isn't available to retain the tensioner a small allen wrench can be used to achieve the same results. Line up both camshaft marks and reinstall the timing belt and timing belt tensioner (do not remove the timing belt tensioner tool used to maintain the tensioner piston in a compressed position). When installing the timing belt, be sure to allow the least amount of slack to exisit between the left camshaft pulley and the crankshaft sprocket, but without moving the pulleys.

Next, remove the timing belt tensioner piston retention tool and mount the lower timing belt cover and crankshaft pulley (without fully installing them). Rotate the crankshaft pulley to the 0 deg. mark. If done correctly, moving the crankshaft pulley from 12 deg. BTDC to 0 deg. will remove all remaining slack from the timing belt assembly and the camshaft pulleys and crankshaft pulleys will be lined up with their corresponding marks. Once proper timing has been achieved, install all removed parts.

(Another TIP: I hope it's not necessary, but in case it is, I'll remind you that proper torque of all bolts are necessary as this is an all aluminum engine. Stripping out bolts holes due to over-tightening bolts occurs very easily and become very annoying to deal with [e.g. alternator belts not being able to be tightened completely and constantly squealing every few days, etc.])

Removal & Installation

2.0L Engine

1. Remove or disconnect the following:
   
   Negative battery cable Spark plugs Catalytic converter Right front wheel Right inner splash shield Accessory drive belt and idler pulley
   
2. Rotate the crankshaft to Top Dead Center (TDC) and install Crankshaft TDC Timing Peg T97P-6000-A.
3. Rotate the crankshaft clockwise against the peg.
4. Remove or disconnect the following:
   
   Water pump pulley Valve cover Crankshaft pulley Timing belt covers
   
5. Install Camshaft Alignment Timing Tool T94P-6256-CH into theslots of both camshafts at the rear of the cylinder head to lock thecamshafts into position.
6. Loosen the timing belt tensioner bolt and relieve the tension onthe timing belt by disconnecting the tensioner tab from the timingcover back plate.
7. Remove the timing belt.
   
   Fig. Crankshaft alignment position-Ford 2.0L (VIN 3) engines
   
   
   Fig. Placement of Camshaft Alignment Timing Tool T94P-6256-CH-Ford 2.0L (VIN 3) engines
   
   
   Fig. Timing belt tensioner index marks-Ford 2.0L (VIN 3) engines
   

To install:

NOTE Always replace the timing belt after loosening or removing it.

1. Install the timing belt.
2. Engage the timing belt tensioner tab into the timing cover back plate.
3. Adjust the timing belt tensioner until the index marks are aligned. Tighten the tensioner bolt to 17-20 ft. lbs. (22-28 Nm).
4. Remove the camshaft alignment tool and the crankshaft TDC peg.
5. Install or connect the following:
   
   Timing belt covers Crankshaft pulley. Tighten the bolt to 81-89 ft. lbs. (110-120 Nm). Valve cover Water pump pulley Accessory drive belt and idler pulley Right inner splash shield Right front wheel Catalytic converter Spark plugs Negative battery cable
   
6. Start the engine and check for proper operation.

　
　
Timing Belt
REMOVAL & INSTALLATION
1.8L Engine
Disconnect the negative battery cable.
Remove the timing belt covers.
Rotate the crankshaft and align the timing marks located on the camshaft pulleys and the seal plate.
Remove the crankshaft pulley and hub.
If the timing belt is to be reused, mark an arrow on the belt to indicate its rotational direction to enable correct re-installation.
Loosen the timing belt tensioner lockbolt and remove the timing belt.
To install:
Temporarily secure the timing belt tensioner in the far left position with the spring fully extended, then tighten the lockbolt.
Make sure the timing marks on the timing belt pulley (crankshaft sprocket) and the engine block (oil pump housing) are aligned.
Make sure the timing marks on the camshaft pulleys and the seal plate are aligned.
Install the timing belt.
Loosen the tensioner lockbolt. Using a suitable prying tool, position the timing belt tensioner so the timing belt is taut, then tighten the tensioner lockbolt.
Turn the crankshaft two turns clockwise and align the timing belt pulley mark with the mark on the engine block.
Fig. 1: Timing marks are located on the camshaft pulleys as shown — 1.8L engines


　
Fig. 2: Make sure that the crankshaft sprocket (timing belt pulley) and oil pump timing marks are aligned — 1.8L engines


　
Fig. 3: Align the timing belt pulley mark with the tension set mark, at approximately the 10 o'clock position — 1.8L engines


　
Fig. 4: Check the timing belt deflection at the location shown — 1.8L engines