Can be found in a Cadillac shop manual. I'll tell you its located in the fuel tank. Necessary tt remove fuel and drop tank. Then remove fuel sender unit with special tool. Atteched to the sender is the fuel pump
It is located near the front of the motor, near the thermostat, screwed into the block.
On a 1993 Cadillac Fleetwood Brougham with a 5.7 Liter V8 it uses a Purolator L15313 oil filter.
The fuel filter is on the drivers side in front of the rear wheel along the frame.
To find a diagram for the 1988 Cadillac Eldorado 4.5 liter engine you can consult their main website or contact local dealers.
radiator
1,5,6,3,4,2,7,8 firing clockwise.
# 1 on the distributor cap points towards the drivers side on your 4.1 liter - V8 front wheel drive Cadillac ( according to about . com )
mixed spark plug wires
sensor for water temp is in water pump on front of engine, has two wire plug going to it.
4.5 liter=frnt bottum of the engine 4.6 liter= under the intake manifold
Under the hood neat the top of the radiator on the right as you look at it.
Engine Oil Refill 5 qt (US)Note: Additional oil will be necessary when changing filter.