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Hello ! As is well known, a petrol engine ignites by means of a spark plug, a diesel by compression on its own. In addition to ignition time (for petrol engines) you will always find the same information: – Late ignition: some degrees before OT – to start – Early ignition: much more degree before OT The background is that the combustion and the combustion pressure last about 20ms (?) long and only 1ms after the ignition spark occurs. Logically this should take place during the downward movement of the piston. Eight said, is ignited with increasing speed all the earlier, so that the combustion pressure remains at the same crankshaft position. As far as – so clear. But when does a diesel ignite ? Normally, if the diesel-air mixture is compressed enough. That means always just before OT. Worst case in OT. With injector engines also something can be controlled by the injection time – also the self-ignition time ? Here I ask for your knowledge. Greetings !

So far I only had vehicles with manual handbrake. But the company cars all have the button handbrake (electric parking brake). How strongly do the parking brake attract? With a manual handbrake you can pull the brake under the ride, as well as park without tightening the handbrake. In the latter case the combination instrument beeps with the new vehicles and I usually park in my garage without brake. What happens if you have the electric fes Is it possible to do no more drifting? (scarve, I don’t do) How strongly does the electric parking brake pull against the manual handbrake? Can you achieve the same pressure with the manual HB? What happens if the brake cheeks freeze in winter? How can you solve the manual ones, how can you release the electric ones, or is both a case of towing?

Hello forengemeinde! As I may have read before, I have suffered a water loss from a leaky radiator hose in my frontera. Original replacement is probably no longer available for a long time and in my internet search no comparable one found. The problem is, it is also where the temperature sensor is connected with it. The crack is not large but exactly next to the place where the clamp is located. Can one repair such a hose, if yes how? Could Panzerband go n and above it a corresponding shrink hose? The clamps push very deep into the hoses, maybe better take normal clamps? Thanks already in advance!

After theft I bought a new cat from Autodoc Berlin. After 10 days it arrived yesterday undamaged. The cat seems to be only half filled with the ceramic. Kat manufacturer is Ridex Berlin and is own statement a subsidiary of Autodoc. I measured the cat inside in depth and on the one hand it has 16 cm in depth and on the other side 26.5 cm. I sent a request to the KBA whether this cat matches the approval. D a I’m pretty sure that half of the ceramics would be omitted here, I have also filed a complaint because of the suspicion of fraud against unknown. If my guess is confirmed and someone like that installs a cat, he will never pass the AU and possibly make himself liable to tax evasion. Maybe even the operating permit expires!! What do you say to the measures?

I now have 190 TKM down with my Galaxy WA 6. Up to now it has run like a clockwork without any problems. When uncoupling is now a minimal accompanying sound to be noticed. Probably at 200 TKM clutch and various bearings are no longer as good as new. However, my question refers to the manual transmission – does it make sense here to renew the oil or to shed out money? Would the car like to continue up to 400 TKM.