Quote:
Originally Posted by mam4.6
Just to clarify in my own mind, it's the facelift N62 engines (4.4-4.8) that have the smoking on idle issue because of bad valve stem seals, right? And it's the pre-facelift M62 engine (4.4-4.6) that has the timing chain guide issue? If I remember correctly, chain guides are reommended maintenance at around 100k miles...
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Yes I am in agreement with this. I have had a couple of 4.6is and this being the 3rd one no valve stem seal problems like the N62 4.4 & 4.8L engines.