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The EGR is located at the back of the engine(gearbox end) between the cylinder head and the bulkhead/firewall.
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∙ 9y ago
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How do you remove the egr valve on a1995 Ford Thunderbird?
I have a 94 T Bird with the 4.6 V-8 which I am attempting to replace the EGR valve. The EGR valve is extremely difficult to get to, its located to the right rear corner of the intake just inboard and to the rear of the right valve cover, I am still in the middle of trying to remove my EGR. So far from what I done is to try to agin access to the EGR, I removed a coolant hose that connects to the back of the engine to gain access, there's a couple of rubber hoses and lines that are blocking access, the unit is very unaccesible, there's a metal exhaust line that is screwed into to the back of the EGR valve with what appears to be a 22 or 23 mm nut, from there the EGR valve is mounted to the back of the engine with two small bolts and there's also a gasket which seals the EGR unit to the engine ,like I said I'm still struggling to gain access to my unit, the biggest problem is the tight area between the firewall and the engine where the EGR is mounted. On top of that there's a bunch of obstructions, hoses engine pieces ect, the key is to remove as much stuff around the EGR as possible to gain access. Good luck, I'm about ready to give up on mine and take it to a repair shop, hopefully you fair better than me.Mike-- joker_102877 --Disconnect the negative battery terminal. Disconnect the wiring connectors to the air cleaner, Mass Air Flow sensor, EGR vacuum solenoid, and DPFE sensor. Remove the air intake assembly (up to the throttle body). There are two vacuum lines from the EGR vacuum solenoid, find where they reach the EGR valve and the intake manifold, disconnect them at these points. There is a rubber hose coming from the firewall to the top of the engine, disconnect this and push it aside. Remove the nut directly below this hose (this nut holds the bracket that the DPFE and EGR vacuum solenoid are mounted to). Follow the mounting bracket around and remove the smaller nut holding it on. Have some tape ready to mark two hoses. Make a note of which hose is the "Hi" and "Ref" on the DPFE sensor and remove them. Remove the DPFE/EGR vacuum solenoid assembly. Congratulations, now you have access to the EGR valve!!Slide the heat protective sheath back on the EGR tube (you need to see the tube, to make sure you are not turning the tube itself!!) The EGR tube and EGR valve will likely be rusted very badly. Spray some PB Blaster at the EGR valve/EGR tube connection, and between the nut on the EGR tube and the tube itself (the nut is supposed to be able to move independently of the tube). Attempt to loosen the nut. If you manage to break it free, ensure you are not turning the tube itself and crimping it. If you can't turn it, use a blow torch and concentrate the flame on the fitting on the EGR valve side (heating metal expands, and could loosen it enough to break it free). Once the EGR tube is disconnected, remove the EGR valve mounting bolts (2). Installation is the reverse of removal.-- joker_102877 --
Where can you buy an egr depressor for a 1999 Vauxhall Frontera b 22 DTI without buying the whole system?
Not sure quite what your problem is. The bit which usually gives trouble is the egr.valve itself.This is usually replaced as an assembly,as I don't believe it is able to be refurbished.It only involves a wiring plug and two bolts to remove it. == == If this is the one I am thinking of, that is vacuum operated, and on the top of what passes for an induction manifold on a Diesel engine, I don't think you can get it unless you do buy the whole unit. I suspect the reason for this is that the valve seats onto a precision machined surface that is part of the manifold. The valve and the valve seat have to be matched as a pair. Fitting a new valve to an old valve seat just wont work right, unless you have access to equipment that most Vauxhall dealers wont pay for just to replace one valve a year.
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Why compression ratio of petrol enine is 8 where as diesel engine is 22?
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The code in which you are referring to is from the OBD-O B16A Pr 3 ecu. Code 22 which is the Variable Valve Timing & Valve Lift Electronic Control Pressure Switch... aka (VTEC Pressure Switch) Hope this helped.
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