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My 01 deville had a cracked intake boot, between the throttle body and intake manifold, it would only leak when eng was hot.
under the lower intake manifold
its stamped on top of the intake manifold
If it is the Northstar engine which I believe it is, it is inside the motor under the intake manifold.
NO NO NO you can i guess but it will ruin your engine. You either have a cracked block or blown head gasket i would guess. Moisture in the engine will destroy it. In addition to a headgasket or cracked block (unlikely), would be cracked cylinder head, intake manifold gasket or manifold. What kind of car, what size engine? 1999 CADILLAC DEVILLE
the haynes book states 89 in pounds
4.5 liter=frnt bottum of the engine 4.6 liter= under the intake manifold
the firing order on 83 deville with a 4100 v8 motor is as follows, 18436572. this firing order should also be in raised numbers on your intake manifold.
the top of the carborator
starter is under intake manifold. you can do it yourself if you are a pretty good wrench and have the manuals and tools. not easy but is doable.
The starter is located under the intake manifold and requires removal of the intake manifold to access it. Good luck!
U find the cracked or disconnected Vaccume hose - probably near the carb or fuel injection on the intake manifold,but sometimes the vac modulator under the dash goes bad.OR a bad connection @ the Firewall.