Hello my friends
I have a Ford Falcon with the 4.0 SOHC I6.
Here you can see the chain where I hear the noise
It has always had some slight valve train noise that's louder with some oils and almost inaudible with others. Having hydraulic lifters it can sometimes be a bit rattly for a few seconds upon cold start up, and at around 1,000-1,400 rpm when hot.
I just checked my oil now and then started the engine. I gave it a few slight revs to listen to the lifters and I noticed for the first half second after opening the throttle there was the distinctive buzzy rattle coming from the front where the timing chain is. Now obviously this is the timing chain rattling against the alloy guides but my question is, is this normal? I mean the guides are there for a reason right?
It only has 200,000km (124,000 miles) which is considered very low for these engines.
It currenlty has Durablend 10w30 in the sump which has 7,800km on it (on 10,000km/6,200mi OCI) because this oil made my lifters very quiet compared to everything else. It is in excellent mechanical shape, uses no oil in 10k and is very smooth and powerful but doesn't this rattle normally suggest lower oil pressure to the tensioner or is it normal and I was listening too hard? Haha
I'm worried because I had a Mitsubishi 2.6 that did it very loudly for a second on start up and that engine died not long after but it's nothing on that scale.
Cheers
I have a Ford Falcon with the 4.0 SOHC I6.
Here you can see the chain where I hear the noise
It has always had some slight valve train noise that's louder with some oils and almost inaudible with others. Having hydraulic lifters it can sometimes be a bit rattly for a few seconds upon cold start up, and at around 1,000-1,400 rpm when hot.
I just checked my oil now and then started the engine. I gave it a few slight revs to listen to the lifters and I noticed for the first half second after opening the throttle there was the distinctive buzzy rattle coming from the front where the timing chain is. Now obviously this is the timing chain rattling against the alloy guides but my question is, is this normal? I mean the guides are there for a reason right?
It only has 200,000km (124,000 miles) which is considered very low for these engines.
It currenlty has Durablend 10w30 in the sump which has 7,800km on it (on 10,000km/6,200mi OCI) because this oil made my lifters very quiet compared to everything else. It is in excellent mechanical shape, uses no oil in 10k and is very smooth and powerful but doesn't this rattle normally suggest lower oil pressure to the tensioner or is it normal and I was listening too hard? Haha
I'm worried because I had a Mitsubishi 2.6 that did it very loudly for a second on start up and that engine died not long after but it's nothing on that scale.
Cheers