N
NeverEnough
Guest
Hi,
I have recently installed a low mileage engine in to my R and I've had a few teething problems along the way.
But this one worries me...
The top end needs some new shims as it's tapping like a diesel (£24 each at Nissan - ouch!) and I think this MAY be connected to my problem.
When the engine RPM reaches around 3000 from inside the car a rattling sound can be heard from the engine. This is not a loose part but actually connected to the revolution of the engine (internal).
When the engine revs increase the sound appears to fade. It's hard to tell if it actaully fades or if it's drowned out by the exhaust . I've got a straight through Mongoose (2.5'' with 5'' tall).
The distrubutor cap, rotor arm, HT leads (Stardard Nissan) and plugs (Denso IK24) have all been changed but the problem continues.
The rattling does not effect performance and happens on load or free revving. On my last engine the big end bearing went on Piston one and it gave the dreaded "knock". This to me sounds more like a rattling than a knocking.
With the bonnet up and the revs at 3000 the rattling can obviously still be heard. I have checking as many things as possible that could be loose and resonating at 3000 RPM but I'm convinced now it's internal.
I'm going to do the shim's next week but I'm not going to bother if the engine is about to go "pop".
All and any ideas welcome.
Thanks
Martin
I have recently installed a low mileage engine in to my R and I've had a few teething problems along the way.
But this one worries me...
The top end needs some new shims as it's tapping like a diesel (£24 each at Nissan - ouch!) and I think this MAY be connected to my problem.
When the engine RPM reaches around 3000 from inside the car a rattling sound can be heard from the engine. This is not a loose part but actually connected to the revolution of the engine (internal).
When the engine revs increase the sound appears to fade. It's hard to tell if it actaully fades or if it's drowned out by the exhaust . I've got a straight through Mongoose (2.5'' with 5'' tall).
The distrubutor cap, rotor arm, HT leads (Stardard Nissan) and plugs (Denso IK24) have all been changed but the problem continues.
The rattling does not effect performance and happens on load or free revving. On my last engine the big end bearing went on Piston one and it gave the dreaded "knock". This to me sounds more like a rattling than a knocking.
With the bonnet up and the revs at 3000 the rattling can obviously still be heard. I have checking as many things as possible that could be loose and resonating at 3000 RPM but I'm convinced now it's internal.
I'm going to do the shim's next week but I'm not going to bother if the engine is about to go "pop".
All and any ideas welcome.
Thanks
Martin
