The cadillac northstar with a 49 liter v8 engine was introduced in 1991. I heard it could be a lower intake gasket.
This push rod motor has a roller lifter camshaft but non roller rocker arms.
4 9l cadillac engine diagram. 94 deville 49 liter. However there have been some common problems with this engine. While the high technology engine was being developed due to higher corporate average fuel economy standards being phased in by the united states government cadillac introduced a variant of their traditional v8 engine with the first usage of cylinder deactivation for.
Cadillac 49 liter rocker arm rocker tie repair duration. Cadillac how to prevent northstar gm engine from overheating what mechanics wont tell you hd duration. Cadillac repair videos by slick 22467 views.
This example is from the 1991 fleetwood fwd that we had. The 49 liter cadillac engine was a short lived compact v 8 that predated the more popular 46 liter northstar engines that debuted in 1993 and remain in production as of 2010. Shaker formula 49 v8 wiring info 49l cadillac v8 i use the 91 deville diagrams for all 49 conversions the seville diagrams are shown to reference the differences.
Iac idle air control motor removal 300ci cadillac v8 engine. The oil isnt milky and the coolant isnt oily. How to clean your engine no water no.
Cadillac deville sedan dts 49l v8 start up test drive cadi de. It was rated at 200hp and 275 pound feet of torque and required 91 octane gasoline. The cadillac high technology engine was a v8 engine produced by the cadillac division of general motors from 1982 to 1995.
1994 cadillac deville 49 liter v 8 one owner. The 49 liter version was used in most cadillacs between 1991 and 1995. Today its a popular engine to swap with non cadillac cars such as.
A look at the cadillac 49l ht4900 engine. The cadillac 49 is a well built gm v 8 engine designed for smooth hi torque power for full size 3700 4000 lb vehiclesthe engine consists of a full skirted aluminum block with removable steel liners and cast iron crankshaft. Location of spark plugs and how to get to them on 49 liter.
I hope its not a cracked head or blown head gasket or block. Since its introduction the northstar has been the top of the line gm luxury car engine.
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