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americanguy2752410 02-02-2013 08:55 AM

Timing Chain???
Hey ppl. just a quick question. i have a strange noise coming from the engine this morning. i think its the timing chain. it kinda sounds like a diesel. it sounded pretty bad last night, but this morning i kinda went away. i did switch oil not to long ago. they were both synthetic oils, just different brands. just wondering is this the chain tensioner or does it sound like the chain guides??? The noise did kinda go away this morning. if i rev the engine to about 2500 rpms the noise goes away. please reply, and thoughts appreciated thanks

americanguy2752410 02-02-2013 12:16 PM

I forgot my check engine came on and is throwing a p1915 code. PLEASE ANY HELP???

witeshark 02-02-2013 10:11 PM

What engine is it? Previous posts mention a 540i so maybe the 4.0 V8? First thing I'd check is the tensioner.

Lord Vader 02-04-2013 05:21 PM

P1915 Reverse Switch Circuit Malfunction

Dont think that is causing your issue. The timing chain is a lifetime part that should never ever need replacing. Possibilities include your chain tensioner and your VANOS. VANOS seems more likely to me as its more common. Sounding like a diesel is a common complaint. Probably just need to have the VANOS seals rebuilt. Takes about 2 hours labour.

americanguy2752410 02-04-2013 08:12 PM

Thanks a lot for the comments guys. i need ur help. sorry, it is a 2000 bmw 540i. i have a tensioner ordered and it is on the way. i will replace that and tell u all wat the outcome was. once ago, thanks a lot.

witeshark 02-04-2013 11:58 PM

LV ah! Good point; ye Olde Vanos issue! ty!

Lord Vader 02-05-2013 12:44 PM

Since you need to remove the VANOS to do the timing chain tensioner anyway, you may as well order the seal kit from Beisan Systems. Would save you twice the labour if it is the VANOS.

americanguy2752410 02-05-2013 05:50 PM

Hey, ppl from reading up a little bit on these issues. i have come to a conclusion. i dont think its the vanos. my car has had that issue for a while already, but this is a LOUD clattering going on. Cud it be just the tensioner? the one that u can change from the outside??? Or does this sound like the guides. I hoping with all ive got it aint the guides. Thanks for all the comments......

Lord Vader 02-06-2013 09:06 AM

Some people have reported that a loud clattering noise on start up was caused by the belts, the spring tensioner, and the head shield coming loose and rattling. Thus, its hard to determine the exact cause. Some people reported the exhaust hangers breaking off due to rust causing a rattling as well.

I should ask though, what oil are you using? Using to thick an oil can cause the oil to not reach the lifters as quickly as normal causing them to make a ticking sound.

americanguy2752410 02-06-2013 06:12 PM

Ok, ppl, now i need ur knowledge. i changed the timing chain tensioner. The noise went down quite a bit. but its still kinda has a ticking noise to it now. fairly loud. If u open the oil cap u can hear its plainly coming from there. R the chain guides gone??? inside the car it smells kinda like hot oil and its feels kinda smoky. Wat r my options??? thanks for any replies.....

Lord Vader 02-08-2013 08:24 AM

As I said before, what oil are you using?

americanguy2752410 02-09-2013 08:40 AM

There was penzoil 5w 30 fully synthetic oil, now i switched to castrol 5w 30synthetic. Is this to thin oil???

Alexmsk 06-20-2013 02:22 AM

recommend that you read the information about the repair kits for BMW vanos online

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