Ticking/tapping noise
#1
Ticking/tapping noise
So I've had this ticking/tapping noise going on for a while now and it's starting to realy worry me. Its not terrible loud and only seems to happen under very light throtle, under 2000rpms then once over 2k it goes away. Like when creaping in traffic. Now the strange thing I've noticed if I let my car warm up before I start driving it doesn't happen but when I drive it cold its allways there. Another strange thing is it only happens in Drive not in park or neutral, very strange. I haven't been able to pinpoint where it's coming from but it sounds like its comming from the back of the engine closest to the firewall. I had my plugs changed at 107k and am now at 126k other than this noise the car runs like a champ minimal oil burning (less than 1qt) and no power loss so I'm pretty perplexed any ideas?
#5
#6
Its hard to tell cuz it only seems to happen in Drive not in park or neutral so I can't really pinpoint it. If it is valve noise is there any fix with out tearing the engine apart.
#9
had this same problem...checked the oil one day and it was fine then checked it 2 days later. Bone frickin dry. also switched from Royal purple to Castrol. It's running better than ever, checked for leaks and had no leaks. idk. Id say check your oil again make sure you check it when your car is cold and keep checking till you get an accurate reading
#11
had this same problem...checked the oil one day and it was fine then checked it 2 days later. Bone frickin dry. also switched from Royal purple to Castrol. It's running better than ever, checked for leaks and had no leaks. idk. Id say check your oil again make sure you check it when your car is cold and keep checking till you get an accurate reading
#12
#14
#16
I've been having the same Grinding / Tapping noise from my 2002 GLE for about 6 months now. I brought it to the dealer, (3 separate occasions) but they cant find anything wrong since it happens on a cold start for only about 5mins. All their diagnostics check out fine.
A while back, I read that it was a problem with the [timing chain tensioner] ?
Im not mechanically inclined at all, but would a loose tensioner cause a rattle on a cold start?
A while back, I read that it was a problem with the [timing chain tensioner] ?
Im not mechanically inclined at all, but would a loose tensioner cause a rattle on a cold start?
#22
Not sure if it's the same thing, but I installed a grounding kit and afterwards I developed a clicking sound coming from the engine bay. After a long time of not being able to figure it out, I took it to the dealer. I had a grounding strap that connected my upper intake manifold to my firewall. They found that I had it connected to the wrong screw on the intake manifold and they moved it to a different spot and the clicking/ticking instantly went away. Felt very stupid afterwards .
#23
I've been having the same Grinding / Tapping noise from my 2002 GLE for about 6 months now. I brought it to the dealer, (3 separate occasions) but they cant find anything wrong since it happens on a cold start for only about 5mins. All their diagnostics check out fine.
A while back, I read that it was a problem with the [timing chain tensioner] ?
Im not mechanically inclined at all, but would a loose tensioner cause a rattle on a cold start?
A while back, I read that it was a problem with the [timing chain tensioner] ?
Im not mechanically inclined at all, but would a loose tensioner cause a rattle on a cold start?
#24
So I removed the ground wire going from the IM to the firewall and now the ticking is gone. It seems very strange that something like that would cause noise but now that I think about it the sound was like a electric relay switching on/off.
#27
sounds like u guys are on the right track..
hey have pics im trying to find it but im alittle mental so i dont see it...pics? please? purtty please lol. it owuld help out alot for me man or for future reference for someone else.. ty
pics of location of this wire, please?
pics of location of this wire, please?
#29
What should i do?
#32
Help with engine ping/knock
So I've had this ticking/tapping noise going on for a while now and it's starting to realy worry me. Its not terrible loud and only seems to happen under very light throtle, under 2000rpms then once over 2k it goes away. Like when creaping in traffic. Now the strange thing I've noticed if I let my car warm up before I start driving it doesn't happen but when I drive it cold its allways there. Another strange thing is it only happens in Drive not in park or neutral, very strange. I haven't been able to pinpoint where it's coming from but it sounds like its comming from the back of the engine closest to the firewall. I had my plugs changed at 107k and am now at 126k other than this noise the car runs like a champ minimal oil burning (less than 1qt) and no power loss so I'm pretty perplexed any ideas?
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