to remove distributer from old engine, remove distributer cap, noting the position of rotar button. remove one bolt that secures distributor to block. lift ditributer out paying attention to the movement of rotor button. u need to note this when re installing so as distributor goes back in, close to same timing setting. replace bolt but do not tighten fully you will then need to recheck timing. if timing is correct engine will start. if backfiing occurs, your distributor is in , 180 degrees wrong. remove distributer, turn rotor 180 degrees then reinstall. check timing again
I had to replace my block heater on my 89 Accord and the plug/location for the heater is in behind the distributor. I had to remove the distributor from the engine block and then removed the old block heater. It is an easy do it yourself job but you have to be carefull to reinstall the distributor exactly the same way it came out. .
Remove distributor cap Have assistant crank engine and check to see if rotor is turning as engine is cranked
Typical: Remove distributor. Use punch to tap roll pin from gear at base of distributor. Use an arbor press (not a hammer) to press distributor mainshaft out of gear. Shaft will then easily come free of the distributor. If a hammer is used, now replace the complete distributor. Unbolt the pickup and replace. Reinstall shaft and gear being sure that gear hole aligns with shaft hole. Install a new roll pin. Install in vehicle. Set ignition timing.
counterclockwise
On a 1990 Ford Thunderbird : The 3.8 liter V6 engine distributor rotor turns COUNTERCLOCKWISE
It is quite easy to change the thermostat in your 1990 Cutlass. Remove the thermostat housing retaining bolts. Remove the thermostat from the housing. Reverse the process to install the new thermostat.
Only the transmission needs to be removed. One day.
The only speed sensor on the engine is inside the distributor.
UNITS W/INTEGRAL COILRemoval# Disconnect electrical connectors from distributor cap and disconnect 4 wire EST connector. Carefully bend connector locking tabs away from housing by hand to prevent damage to locking tabs. # Remove distributor cap assembly leaving plug wires connected and position cap aside. # Remove No. 1 spark plug, crank engine until compression pressure can be felt in No. 1 cylinder, then slowly rotate crankshaft until timing marks are aligned at TDC on compression stroke for No. 1 cylinder. # Disconnect battery ground cable, then mark position of distributor body in relation to engine and position of rotor contact in relation to distributor body. # Remove distributor hold-down bolt, raise distributor noting rotor rotation, place second mark on distributor housing to indicate position where rotor stops moving, then remove distributor. Do not rotate crankshaft with distributor removed from engine. Installation# Ensure No. 1 cylinder is at TDC on compression stroke as outlined in removal procedure. # Align rotor with second mark made in step 5 of removal procedure. # Insert distributor into engine, aligning body with mark made on engine prior to removal, then seat distributor in engine. With distributor fully seated, marks made in step 4 of removal procedure should be aligned. If distributor will not seat against boss on engine, oil pump driveshaft may have to be rotated slightly to allow proper installation. # Install hold-down clamp and hand tighten retaining bolt. # Reverse remaining procedure to complete installation, then adjust ignition timing as outlined. UNITS W/REMOTE COILRemoval# Disconnect distributor harness and feed wire connectors from ignition coil and disconnect EST connector. # Remove distributor cap leaving plug wires connected and position cap aside. # Remove No. 1 spark plug, crank engine until compression pressure can be felt in No. 1 cylinder, then slowly rotate crankshaft until timing marks are aligned at TDC on compression stroke for No. 1 cylinder. # Disconnect battery ground cable, then mark position of distributor body in relation to engine and position of rotor contact in relation to distributor body. # Remove distributor hold-down bolt, raise distributor noting rotor rotation, place second mark on distributor housing to indicate position where rotor stops moving, then remove distributor. Do not rotate crankshaft with distributor removed from engine. Installation# Ensure No. 1 cylinder is at TDC on compression stroke as outlined in removal procedure. # Align rotor with second mark made in step 5 of removal procedure. # Insert distributor into engine, aligning body with mark made on engine prior to removal, then seat distributor in engine. With distributor fully seated, marks made in step 4 of removal procedure should be aligned. If distributor will not seat against boss on engine, oil pump driveshaft may have to be rotated slightly to allow proper installation. # Install hold-down clamp and hand tighten retaining bolt. # Reverse remaining procedure to complete installation, then adjust ignition timing as outlined #
Since a 1990 truck has fuel injection, this will be a difficult and expensive task. Everything one the top of the engine will need to be replaced. If it has a throttle body instead of individual injectors the intake manifold, distributor and wiring will all have to be replaced. You will need to decide on what distributor will be used. My suggestion is to come up with another plan unless you have plenty of time and money.
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The 1990 Ford Ranger 3.0 liter V6 engine has a distributor , the 2.3 liter - 4 cylinder and the 4.0 liter V6 have EDIS ( Electronic Distributorless Ignition System )