Attero Posted January 18, 2011 Share Posted January 18, 2011 I'm on japarts.co.uk right now and I've found this: http://www.japarts.co.uk/shop/?sh=search&make=10&model=SUPRA&vehicle_iid=1578&search=2 I'm looking for a rocker cover gasket. What exactly am I in need of here? RH? LH? What's that mean? I can only think of right and left hand. And with so much difference in price, I'm wandering how important it is. I've had a rocker cover gasket leak for longer than I've owned the car now and would like to fix it up as I think it may be the cause of a car jerking (especially when not warmed right up) as the oil might have got into the spark plugs (I'm not overly mechically minded so I may need some enlightenment on this. That would also make me think... where can I actually get some spark plugs for the N/A Supra? Preferably most similar to the stock ones. Quote Link to comment Share on other sites More sharing options...
jonc Posted January 18, 2011 Share Posted January 18, 2011 Just bought left and right side gaskets and spark plugs for mine from Mr T through Steve Manley. I went to change the spark plugs and found the well full of oil.OMG now rebuilding the ignition system Quote Link to comment Share on other sites More sharing options...
Dnk Posted January 18, 2011 Share Posted January 18, 2011 (edited) Change both sides and also the seal washers on the bolts. Speak to Steve Manley 01865 291333 http://www.sparkplugs.co.uk Edited April 30, 2015 by Dnk (see edit history) Quote Link to comment Share on other sites More sharing options...
Attero Posted January 18, 2011 Author Share Posted January 18, 2011 Just bought left and right side gaskets and spark plugs for mine from Mr T through Steve Manley. I went to change the spark plugs and found the well full of oil.OMG now rebuilding the ignition system How much is that coming to? I wouldn't be surprised if mine was the same. What symptoms were you getting other than oil everywhere? Quote Link to comment Share on other sites More sharing options...
jonc Posted January 18, 2011 Share Posted January 18, 2011 (edited) The car is/was running superbly. I use it for a couple of 200 mile trips a week and even with the turbos spooling now and again it still nearly meets 30 to the gallon. Over the weekend I noticed she did not start as well as normal (normally starts on the 3rd turn) so decided to look at the ignition system. When i lifted the spark plug cover i saw the oil and the coil pack connectors were shot. when i removed the spark plugs they had seen better days so I ordered 6x denso spark plugs, 2 x cam covers joints, 3 x coil pack connectors and a radiator cap and it cost £120 including VAT and delivery. Edited January 18, 2011 by jonc (see edit history) Quote Link to comment Share on other sites More sharing options...
Attero Posted January 18, 2011 Author Share Posted January 18, 2011 I better get it sorted then... Any idea how hard it is to remove the manifold on the NA cover? Quote Link to comment Share on other sites More sharing options...
keron Posted January 19, 2011 Share Posted January 19, 2011 95% of the time, oil in the plug area is due to loose rocker cover bolts! usually the rear 2 are the worst for this and the oil can seep down onto the back of the engine, gearbox.....the 10mm nuts/bolts loosen over time and oil seeps through...i bet yours are loose! toyota had a weak design with these..very common on the mr2s too...just clean the oil up and nip the bolts down... Quote Link to comment Share on other sites More sharing options...
mplavery Posted January 19, 2011 Share Posted January 19, 2011 I just bought a load of gaskets of toyota for mine inc cam gaskets.... They retail at £10.16 + vat each mate Quote Link to comment Share on other sites More sharing options...
Guest toy-supra Posted January 19, 2011 Share Posted January 19, 2011 hi m8 got the same problem did you get your gaskets? i dont understand why there would be such a difference in price for a lh or rh gasket! weird Quote Link to comment Share on other sites More sharing options...
jonc Posted January 19, 2011 Share Posted January 19, 2011 95% of the time, oil in the plug area is due to loose rocker cover bolts! usually the rear 2 are the worst for this and the oil can seep down onto the back of the engine, gearbox.....the 10mm nuts/bolts loosen over time and oil seeps through...i bet yours are loose! toyota had a weak design with these..very common on the mr2s too...just clean the oil up and nip the bolts down... Cheers Keron I will check them although now I have ordered the gaskets I will fit them. Quote Link to comment Share on other sites More sharing options...
jonc Posted February 6, 2011 Share Posted February 6, 2011 Well finally got around to the task in hand:). Keron was spot on nearly all the bolts were hand tight:( but the gaskets were rock hard brittle as well so much so they snapped when I was removing them. One thing I did notice was that everything that is plastic under the cover had perished (clips, coil pack connectors, cable runners etc) so badly thay just broke up as I removed them. Still job done until the next thing crops up:rolleyes: Quote Link to comment Share on other sites More sharing options...
3LL Posted July 13, 2013 Share Posted July 13, 2013 Just gone to change plugs on mine and the rocker gasket looks to be leaking anyone got contact details for suppliers of the full rocker gasket set? or an idea on pricing for a full set?? Quote Link to comment Share on other sites More sharing options...
Dnk Posted July 13, 2013 Share Posted July 13, 2013 (edited) Toyota and just ask for as much discount as you can get, also get the seal washers Edited April 30, 2015 by Dnk (see edit history) Quote Link to comment Share on other sites More sharing options...
Attero Posted July 13, 2013 Author Share Posted July 13, 2013 I got mine from japarts.co.uk Quote Link to comment Share on other sites More sharing options...
3LL Posted July 13, 2013 Share Posted July 13, 2013 I got mine from japarts.co.uk Sweet just ordered via here, I couldnt find the O ring set though.. I have emailed em asking if they can supply Thanks chaps Quote Link to comment Share on other sites More sharing options...
Dnk Posted July 13, 2013 Share Posted July 13, 2013 (edited) They're washers with a seal attached to one side not o rings as such. Think their called seal washers and you need 16 of them Shown on page EM-5 in the EM WSM PDF The WSM's are on the home page top left click on repair manuals, there are separate pdf's for the ge and gte engines Edited April 30, 2015 by Dnk (see edit history) Quote Link to comment Share on other sites More sharing options...
Lil Posted April 30, 2015 Share Posted April 30, 2015 I know that's an old thread here, but... I have some leaking from the rocker cover gasket on my N/A, that has as result oil to be leaked in to the 5 & 6 plug holes causing misfire. I need to change the gasket seal, distributor rotar arm and cap. I went to my local toyota dealer and they cannot provide me with the rocker gasket, they said it is out of stock and they cannot even order one. Any alternative? Quote Link to comment Share on other sites More sharing options...
cushti Posted April 30, 2015 Share Posted April 30, 2015 You can get them from here & a few other places: http://www.importcarparts.co.uk/parts?cat=89&sub=1354&sec=1563&var=54&dc=y http://www.tcbparts.co.uk/ http://www.garagewhifbitz.co.uk/toyota/supra/engine-components.html?dir=asc&limit=120&order=price Quote Link to comment Share on other sites More sharing options...
Dnk Posted April 30, 2015 Share Posted April 30, 2015 Does the NA have link pipes between the two cam covers? if so get those as well, they go rock hard just like the cover gaskets. Also go easy when doing up the bolts/nuts that hold the covers to the head, they should be done with small ratchet like 1/4 drive or torque wrench to i think under 10 ft lbs Quote Link to comment Share on other sites More sharing options...
Ric Posted April 30, 2015 Share Posted April 30, 2015 Just dont over tighten them, you'll snap the bolt holes off the cam covers, then you're screwed. AFAIK they are only tightened to 8-9lb.ft or whatever the measurement is Quote Link to comment Share on other sites More sharing options...
MattP Posted April 30, 2015 Share Posted April 30, 2015 The Toyota Manual states the covers are to be tightened to..... Torque: 8.5 N·m (85 kgf·cm, 75 in.·lbf) Be careful as it is not uncommon for people to snap bolts or crack the covers and they are not cheap to replace. Quote Link to comment Share on other sites More sharing options...
Attero Posted April 30, 2015 Author Share Posted April 30, 2015 I know that's an old thread here, but... I have some leaking from the rocker cover gasket on my N/A, that has as result oil to be leaked in to the 5 & 6 plug holes causing misfire. I need to change the gasket seal, distributor rotar arm and cap. I went to my local toyota dealer and they cannot provide me with the rocker gasket, they said it is out of stock and they cannot even order one. Any alternative? Tcb performance parts will offer OEM gaskets. To be honest, you could probably call up another Toyota dealer and they will tell you something completely different. Quote Link to comment Share on other sites More sharing options...
ripped_fear Posted April 30, 2015 Share Posted April 30, 2015 Just dont over tighten them, you'll snap the bolt holes off the cam covers, then you're screwed. AFAIK they are only tightened to 8-9lb.ft or whatever the measurement is What would you do in that situation? Quote Link to comment Share on other sites More sharing options...
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