HowToRepairGuide.com: How to replace timing belt on 1994 Plymouth colt?

TIMING BELT REMOVAL

Release fuel system pressure as outlined under Service Precautions .
Remove engine undercover.
Remove timing belt and covers in numbered sequence shown in Fig. 27 , noting following:

1. Turn crankshaft clockwise to align each timing mark and to set No. 1 cylinder at compression TDC, Fig. 14 .
2. Loosen timing belt tensioner bolt

Set a screwdriver to timing belt tensioner and press it fully back in direction of arrow, Fig. 28 .

Temporarily tighten timing belt tensioner bolt in slackened position

Remove timing belt. If timing belt is to be reinstalled, use chalk to mark flat side of belt with an arrow indicating direction of rotation (right turn)

---At this point you would pull off the crankshaft spocket and replace the seal-

TIMING BELT INSTALLATION
Reverse removal procedure to install, noting following:

With timing belt tensioner bolt loosened, use a screwdriver to fully turn timing belt tensioner as close to engine mount as possible, and then, for time being, tighten tensioner bolt.

Align each of camshaft sprocket and crankshaft timing marks, Fig. 14 .
Without slackening its tension side, install timing belt at first crankshaft sprocket, then water pump sprocket, then camshaft sprocket, and lastly tensioner pulley.
After installing timing belt, apply force to turn camshaft sprocket in reverse direction, then recheck to be sure that belt is fully tensioner and that each timing mark is in proper position.
Set timing belt tension as follows:

1. Loosen fixing bolt of tensioner pulley fixed to engine mount side by 1/4-1/2 turn and use force of tensioner spring to apply tension to belt.
2. Turn crankshaft in proper rotation direction (right turn) for two rotations and recheck to be sure that timing marks on each sprocket are aligned

Install timing belt cover bolts in correct location as shown in Fig. 29 . Bolts marked A are 0.72 inch long and bolts marked B are 1.18 inches long

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You really don't need to worry about fuel pressure because you are not removing any part of the fuel system. This is just overkill safety thing, but if you to just follow the fuel line and where the fuel rail connects to the fuel line, crack it open slowly and release fuel pressure. I wouldn't do this if I were doing, there is not purpose.

No you do not have to pull the engine, it is done through the wheel well and the engine compartment.

The crankshaft spocket just slides off. The seal you will have to get a tool with a hook on the end and slide it in between the seal and the crankshaft and hook it in behind the seal and slowly pull it out or use 2 screws to screw in the seal and grab the screws with pliers to pull the seal out. The seal will need to be even when installed and if you can not eye it good enough you will need to borrow or buy an install tool.

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