Why does my IDI diesel engine knock so much?
It’s not normal knock – it’s pretty damn loud. I do appreciate a normal cold IDI diesel engine is noisy but this is +30% extra. It ‘seems’ to be coming from the engine rather than the pump – as if a pump setting/problem is causing the knock rather than anything physical within the pump.
What kind of noise does a diesel knock make?
Fearing the worst I missed out on Sunday lie in and was down at his garage early, I pulled the head – very clean, slight carbon build up on number 3 but as expected. It’s not lifters as it’s not ‘that’ type of ticky noise, it’s more clack. Any ideas people? It starts and runs fine. Just noisy. It can only be pump now surely? Re: Diesel knock?
Is there a TDC mark on a diesel knock?
Re: Diesel knock? Funny you mention clutch/flywheel and somehow the TDC mark is about 45 degrees away from actual TDC. Yes it IS a diesel flywheel and clutch. Re: Diesel knock?
What did ATF do to my diesel knock?
ATF fixed the knock. you have swapped the injectors so maybe there is something in the pump.. Do you have it back together in running order?
Is there a knock on my diesel engine?
He swapped the injectors for known good ones – still knocking. Fearing the worst I missed out on Sunday lie in and was down at his garage early, I pulled the head – very clean, slight carbon build up on number 3 but as expected.
Why is my IDI diesel engine so noisy?
I do appreciate a normal cold IDI diesel engine is noisy but this is +30% extra. It ‘seems’ to be coming from the engine rather than the pump – as if a pump setting/problem is causing the knock rather than anything physical within the pump. Hard to tell though. I just wanted to be sure I’d eliminated the possibilites before I fit the head back on.
ATF fixed the knock. you have swapped the injectors so maybe there is something in the pump.. Do you have it back together in running order?
It’s not normal knock – it’s pretty damn loud. I do appreciate a normal cold IDI diesel engine is noisy but this is +30% extra. It ‘seems’ to be coming from the engine rather than the pump – as if a pump setting/problem is causing the knock rather than anything physical within the pump.
When do I get a diesel knock in my van?
When it was cold I used to get a diesel knock, so I had all 4 injectors changed and since then the knock has got worse, now it even does it when engine is warm. It only happens when I first start van and it only does it for a couple of mins or about half of mile.
What to do if your diesel engine is making a knocking noise?
Nothing catastrophic can happen to your engine from this type of injector noise. In most cases, diesel purge will quiet all the noises related to your injectors and will soften up the knocking noise as well.
What does knocking noise at high RPM mean?
If it depends on engine load, it sounds like preignition, which may be timing related. If it is load independent, it should be easy to find by listening for the noise with the truck parked. Maybe valve float from a bad valve spring. it will do it parked in neutral and while driveing. take a long handled