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replace the water heater inlet pipe on the intake manifold on a 3800
There is no modulator on that model. There is a vacuum modulator on early Borg Warner 'boxes that screws into the rear of the box and connected by hose to the inlet manifold. It won't drop into top gear if the unit is faulty e.g. a hole in the diaphragm or, the small hole in the small metal pipe that goes in the inlet manifold that the hose is conected to is blocked.
exhaust pipe connects to the exhaust manifold, which connects to the main engine.
pour some transmission fluid in the dipstick hole 2 litres will do it. you may have a leak, any evidense of red fliud at the vacuum pipe that connects the modulator valve to inlet maifold, at manifold end, if so change modulator (externally mounted on tranny)
Typically in the exhaust manifold just before the head-pipe or at the inlet of the head-pipe.
There are no "pipes" but vacum lines. However there are a few so more details of the one you are talking about is needed.could be thewater heater inlet pipe on the intake manifold
it could be your speed sensor gone on the gearbox, had the same trouble with my 1.4 zetec se. The other thing could be the tiny vacuum pipe under the inlet manifold, might have a tiny hole, and the pipe has sucked itself in until it has collapsed.
In a housing at the front of the intake manifold . Just follow your top radiator hose from the rad , it connects to a metal pipe , and the pipe connects to the housing for the thermostat at the front of the intake manifold. (Helpfull)
The 'inlet' on a muffler refers to the side in which the exhaust gasses from the manifold enter the muffler. The outlet is the side that the gasses exit out to the tail pipe/s.
The purpose of the brake servo is to provide power assistance to the braking system when then brake pedal is pushed. The brake servo is usually a flat drum-shaped unit to the rear of the brake master cylinder. Typically, on a petrol car, a hard plastic pipe connects the servo to the inlet manifold of the engine. When the engine is running, air is sucked in through the inlet manifold; this partial vacuum is stored in the servo drum, and is used to amplify the pressure exerted by the driver on the brake pedal. A one-way valve is fitted in the system, usually in the plastic pipe, to avoid the vacuum in the servo being lost when the throttle is opened or the engine switched off. With a diesel engine, insufficient vacuum is generated in the inlet manifold to work the servo, so on diesel cars the hard plastic pipe from the servo is connected to a vacuum pump, which is typically mounted on the end of the camshaft, or sometimes on the back of the alternator. The symptoms of brake servo malfunction are usually a brake pedal that feels very stiff and has to be pushed very hard to operate the brakes. One common cause is the plastic pipe split or leaking where it joins the servo or the inlet manifold. The one-way valve can also fail, as can (less commonly I would say) the servo unit itself. On diesel cars, the vacuum pump can fail or can be tired, causing the pedal to stiffen with repeated use of the brakes. Good luck from Norn Irn!
on the end of the exhaust manifold just where the exhaust pipe connects to it
Under the vehicle, the manifold connects to a "head pipe", and the head pipe connects to a device that just looks like a mufler, but it's not. That's the catalytic converter.