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E36General discussion and technical help for (E36) 1992-1999 3 series cars. 318, 323, 325, 328.
Ok So I Finally took a little time to narrow down this engine ticking (under acceleration) i found, and my VANOS noise
i used my dads stethescope, and went to work
after taking off the valve cover I revved it and listened around
ok now pardon my MS paint 1337 skills but I drew a psuedo diagram, perhaps yall can tell me what it is(btw took a google pic, but same engine etc.)
Ok it's attached but it's VERY VERY Small im sorry, but ccant upload any large pics
but let me explain the colors
the vibrating/knocking sorta noise(when revved, and sometimes after driving hard when idle) is the Green Arrows (vanos I suspect)
the blue area is where the ticking seems to be coming from when I rev it, I dunno what that area is? but it wasnt near the YELLOW area, which under stethescope sounded fine, obviously a little loud, but hey it's an engine, im guessing the yellow area is where all ur cams and important stuff is right?
I pretty much can guess the green arrows are vanos? vanos noise seems to be pretty common, the blue area ticking tho.....i just have no clue?
remember tho, my car drives fine? it's just annoying
plz help me tho!
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Your Ride: 94 bmw 325i, 97 vw golf
my car used to make a slight ticking noise, but then I changed the viscocity of oil and the noise went away. If it sounded almost like marbles then your vanos would probably need replacing, or at least the solenoid.
right there, when the car decelerates thats exactly what my VANOS sounds like, of course my car sounds a TON better, but when the car is like unrevving? it makes the almost exact same knocking noise, im guessing thats my vanos
this i guess is a lifter noise when they say ticking? because that is DEFINETLY NOT what my car sounds like, so im guessing it's not the lifters, mine is definetly more of a marble sound?
but it's coming from that blue area? so i dunno whats on the blue area?
honestly just take your valve cover off and take a look inside....its EASY and that way you dont have to guess where all the parts are...if you take it apart you will understand everything much more clearly