Under the Hood
Cadillac's 4.6-liter Northstar V-8 comes in a choice of two configurations in the DTS. The L37 edition produces an estimated 291 horsepower at 5,600 rpm, while the LD8 is rated at 275 hp at 5,200 rpm. The L37 is designed to rev higher, while the LD8 emphasizes quick launches and has greater peak torque. Both engines work with a four-speed-automatic transmission.
See also:
Tachometer
The tachometer displays the
engine speed in revolutions per
minute (rpm).
Notice: If the engine is operated
with the tachometer in the shaded
warning area, the vehicle could
be damaged, and ...
When to Change Engine Oil
This vehicle has a computer system
that indicates when to change the
engine oil and filter. This is based
on a combination of factors which
include engine revolutions, engine
temperature, an ...
Maintenance Replacement Parts
Replacement parts identified here by name, part number, or specification can
be obtained from your dealer.
...






