Remove the crossmember and drop it out the bottom no problem.
Which solenoid? BOB
Remove the grill
Not without serious modification, but anything is possible if you have enough money for a conversion.
under the front of the engine about center of the engine. hope this helps
Under the vehicle, passenger side, 2 feet in front of the rear tire, just inside the frame.
vacuum routing diagram can be found under the hood. if that is not an option try a haynes or chiltons manual
Bottom of engine, inside the oil pan.
Remove the fuel tank to gain access to it.
I have used regular "87" octane gas in my 1993 Buick Roadmaster for 7 years and it runs like a top. I don't know the gas mileage as my odometer doesn't work, but it seems to be OK.
flush the heater core in both directions with water
Oxygen SensorOxygen Sensor Location
The head has to be removed on the 1993 Roadmaster to get to the gasket. You will need to remove the intake, exhaust manifold, and valve cover then unbolt the head to remove it. Check the head for warpage while it is removed.
They are either T40 or T45?
At the lower rear end of the engine
you probably have a bad ground in the rear taillight assembly common problem
check under the passenger side of the engine. unless it's a front wheel drive then it's in the front of the vehicle under the exhuast manifold...
The 91-96 Buick Roadmaster as well as the rest of the b-body (Impala ss Caprice Fleetwood) line have 5x5 bolt pattern same as 90's models 2 wheel drive tahoes and silverado pick ups
The starter and solenoid are mounted together on the bottom front side of the engine
I believe yours has a starter mounted solenoid and not a relay.
Driver side front seating area, under dash, left of steering column, mounted on bracket.
the starter will be found under the intake if the engine is a northstar.