Low rev rattle

HancoB · Post by **HancoB** » Thu Feb 21, 2008 12:16 pm

The thing is, on my golf I had the lifters doing that untill the oil lubs the well then it goes away. But this stays there even when the car is hot. Maybe a oil change would do the trick. I dont know what type of oil the previous owner used.

Im studying for a mechanical engineer and I know ppl always say jy but you engineers think you can fix it all but hay sumtimes we have the brain to think it but maybe not the hands to do it...so maybe it is oil.

HancoB · Post by **HancoB** » Thu Feb 21, 2008 12:19 pm

Wick...Head my bru!!!! Nice to see some Capies here!!! Tell me kwik where is he? I was a golf nutter so I know all the Vdub spots but im new in the jap thing.

Gary57 · Post by **Gary57** » Thu Feb 21, 2008 12:19 pm

Where on the motor is the noise coming from??

HancoB · Post by **HancoB** » Thu Feb 21, 2008 12:22 pm

Sorry gary. Sounds like valves or lifters or cam. It is high up.

mario_200sx · Post by **mario_200sx** » Thu Feb 21, 2008 12:28 pm

hes ar la belle road, take the turn left into la belle from bellville voortrekker, then go left at the road at scania trucks then second road left again, APS Sevices, tel: 021 9489400. hes very busy, so he might seem a bit rude now and then!

HancoB · Post by **HancoB** » Thu Feb 21, 2008 12:34 pm

Cool man Il give him a ring and take it there.

While you guys are here and helping...my aircon...wel it doesnt mork...all the fuses are A-ok, I checked the ones in the engine bay and the ones at your feet inside the cabin. If I pop the ac switch the light doesent come on and it sure as hell is not making the lovely hot summers day a bit cooler. Someone told me that if the gas is oppellallas then there is a low pressure switch automaticaly turning off the ac...BUT gas dont just disappears out of a closed system and I checked all the pipes and found no leaks.

What can I do to get sum cold air running thru my hair on a hot summers day...damn that sounded gay!!! Ha ha

Phinx · Post by **Phinx** » Thu Feb 21, 2008 5:44 pm

Could be a Broken piston Ring or ring landing

HancoB · Post by **HancoB** » Thu Feb 21, 2008 5:53 pm

Ok Phinx,

But wouldnt that mean there would be some oil or smoking out the exhaust?

veecee · Post by **veecee** » Thu Feb 21, 2008 5:57 pm

many many engines i've seen/heard that have run bearings, have manifested with a rattle kind of sound at a particular RPM.

so you're sure its engine related??? cos these are old cars - they have rattles!!!!

HancoB · Post by **HancoB** » Thu Feb 21, 2008 6:00 pm

Well yes it sounds like and comes from there, but i've checked something on youtube now, and thy call it rod knock...but my rattle doesnt sound exactly the same.

My rattle is only between 2000 and 3000 rpms and when I leave the throttle it goes away. The rattle on youtube gets louder when they release the throttle.

Sokar · Post by **Sokar** » Thu Feb 21, 2008 6:08 pm

My S14 had bearing knock, it was also prominent between 2500 and 3000 RPM (120km/h on the highway)

It also manifests itself like this, i.e no oil burning, no loss in power, no knock at light throttle, but one day you'll put a conrod through your block.

You're gonna get 300 different answers from this forum, rather look at opening it yourself or taking it to a pro.

HancoB · Post by **HancoB** » Thu Feb 21, 2008 6:10 pm

Thanx Sokar,

Will do that.

Sokar · Post by **Sokar** » Fri Feb 22, 2008 7:07 am

Wow, is that the first time someone has taken my advice.........???

widowmaker · Post by **widowmaker** » Fri Feb 22, 2008 2:53 pm

does the engine shake while its knocking?

HancoB · Post by **HancoB** » Fri Feb 22, 2008 3:16 pm

Nope not at all.

I checked it out now...It starts exactly at 2200 rpms and goes up to 3600 rpms.