You just need to take the tension off the existing belt with a 1/2 inch drive breaker bar in the tensioner,then take the belt off,noting how it was routed over the pulleys. Typically there is a diagram unbder the hood showing how it is routed to help you. Pretty easy job to do
spark plug replacement on a 93 Cadillac DeVille 4.9 liter
yes
as long as they are both 4.9 liter engines yes,
The proper gap is 0.06
4.5 liter=frnt bottum of the engine 4.6 liter= under the intake manifold
in the transmission valve body
the haynes book states 89 in pounds
Dealer service item.
The firing order for your 1987 Cadillac Deville 4.9 liter engine is one, eight, seven, two, three, six, four, five. The firing order can be found in the back of the owners manual.
If it's the base Sedan Deville with the 4.9 liter, it's 5 quarts with the filter. For the Deville Concours with the Northstar, it's 7.5 quarts with the filter.
The HT-4900 4.9 Liter V8 produces 210 horsepower @ 4100 RPM
10w30 /5 quarts