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Hi everyone, Just curious if anyone has experienced this before or could give me some ideas as to what to look for? I rarely drive my R33 4 door, Automatic Skyline, but as it sits under a car cover I have been hoping it would stay in the similar condition. The other day I took my car out for a drive and noticed very quickly that it had developed a hollow high pitched noise when slowly driving and when stopped with the brake fully engaged. The high pitched sound seemed most frequent while idling or moving through the automatic gears, and didn't seem totally go away even when the engine was fully warm. May have lessened, possible after a long drive, but am still worried about it. Could be something to do with it not having been driven in 2 weeks, I was slow with the first 10km of the drive to allow the oils to circulate, but its still a weird noise. I did look in the engine bay but the noise seemed to be coming from inside the car, either that or it stopped by the time I had got to the engine to check. Any ideas for areas to check first and i'll give them a look.

Hey not sure if this is a topic but I desperately need help. Ill try to keep it short but basically have a '94 R33 coupe series 1 with a sunroof only had her for a few months, bought from a lebanese guy....this is both me nd my partners dream car...so we cleaned her up, black bonnet, sound system etc. he did not look after her at all. We had a good run then problem after problem started. PROBLEM # 1. Rocket cover leaking - fixed it 2. Hicas light only comes on once the car has been started then turned off for a short period of time. If let for roughly an hour it stays off (still not fixed) 3. Clutch started to squeak nd a tiny plastic bit just fell to the floor inside the car one day (still squeaking but clutch works perfect althought a bit sticky) 4. Driving nicely nd heard this noise like say a dragon flys wings right near ur ear. Tow trucked it home, pulled it all apart harmonica balancer is a bit thrashed out nd the 2 keys that hold it it place nd the crank pulley pretty much weren't there. Aparentl a ceased aircon system can cause it? Replaced those, put her all back together (first didn't even want to start timing woz out, lined all the notches up nd she started) now took her for a run bit sluggish but she still drove, boost leak? Fixed all of them (who ever came up with the 6piece intercooler pipe system should be shot!) cool she ran better nd better with every tweak. Got home turned her off nd there woz with weird bubbling noise coming from the back of the motor my partner thought it woz bottom end but we never bled the radiator system so I thought mayb airbubles. But the tapping/knocking noise is still their i figured it woz the harmonica balancer against the timing case since it looks a bit wonky wen she idles but as the revs pick up the straightens out, it's not a whole heap but just enough for u to notice. Good old YouTube nd partner reckons the noise is definitely death knock. I'm hoping its no or ill cry problem after problem can anyone shed some light coz I'm lost nd I really do not want to get rid of her or spend 3-4k on a rebuild! :'(