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Disconnect the battery, then remove the alternator belt on the Regal. Unhook the alternator wiring and bolts, then remove it. Installation of the new unit is reverse of the procedures.
The oil sending unit for a 1998 Buick Ultra is located on the front of the engine, below the power steering unit. Remove the plug from the sensor, and unscrew it from the block to remove and replace it.
Sounds like you have a bad rack and pinion unit.
The oil sending unit is located at the back of the engine- behind the intake manifold and just right of the distributor if you are standing in front of the car. There should be a blue wire connected to it.
The oil sending unit is located on the front of the engine block, just below the power steering pump. The unit screws in and is easily replaceable.
Disconnect the battery. Remove the alternator belt. Disconnect the wiring on the alternator, then unbolt and remove the unit. Bolt the new alternator in place and connect the wiring. Install the belt and connect the battery back up.
The power steering dipstick is made into the fluid filler cap. The power steering unit is on the front of the motor, and the cap is right on the top of it.
If you are talking about the Drive,Reverse Low indicator on the dash above steering it is a simple cable opperated unit which attaches to the part of the colum that moves when you shift gears.Held by a clip that came off or broke...Rick D
Under hood, driver side, rear engine area, below exhaust manifold, mounted in engine block. Under vehicle, driver side, below engine area, between exhaust manifold and transmission bellhousing, mounted front of oil pressure sending unit.
Access through right side of trunk - remove panel and replace as complete unit
Oil Pressure Sending Unit LocationBuick positioned the oil pressure sending unit on the engine block, just below the power steering pump.
I don't know about a 94 roadmaster, but on my 95 lesabre, i had to take the HVAC vents out first. Pry up on the bottom of them (very gently!) and they should pop out. There were screws holding the dashboard in behind where the vents used to be. Assuming you are removing the dash to install a new stereo or climate control unit, they all "pop" out. No screws. Best to throw the car in neutral once you are done pulling out dash as to slide dash cover out.