wilo Posted July 21, 2016 Share Posted July 21, 2016 okay guys iv waited two weeks to post this as at first I thought i was going nuts . i check my oil level every few days and top up once a week to keep it at max. a couple of times iv gone to losen the oil filler cap only to find its already loose even though i do it up tight everytime. just been out to clean the car and top up the oil as I've been on a long run today only to find the cap was practicaly fully undone basically on its last thread. any ideas as to whats going on ? Quote Link to comment Share on other sites More sharing options...
Tricky-Ricky Posted July 21, 2016 Share Posted July 21, 2016 Is the O ring/rubber washer hard? could be that its no longer keeping the cap from vibrating loose. try replacing it. Quote Link to comment Share on other sites More sharing options...
wilo Posted July 21, 2016 Author Share Posted July 21, 2016 Is the O ring/rubber washer hard? could be that its no longer keeping the cap from vibrating loose. try replacing it. cheers ricky ill give it a go.any ideas where to get one Quote Link to comment Share on other sites More sharing options...
Tricky-Ricky Posted July 21, 2016 Share Posted July 21, 2016 Couldn't remember if its a rubber washer or O ring, but i would try a plumbers merchant. 1 Quote Link to comment Share on other sites More sharing options...
tomzzzcattle Posted July 21, 2016 Share Posted July 21, 2016 You might need a new cap, or maybe you're just over tightening it? Also, make sure you're not spilling oil around the top of the oil filler when topping up. Here's a link to a used oil cap: http://www.ebay.co.uk/itm/Nissan-350Z-VQ35DE-Engine-Oil-Filler-Screw-Cap-GENUINE-/282030663210?hash=item41aa56662a:g:yNwAAOSw1DtXLiZR 1 Quote Link to comment Share on other sites More sharing options...
CountKyle Posted July 25, 2016 Share Posted July 25, 2016 I had this problem too, it turned out to be the cap. I got a new cap and all is well again 1 Quote Link to comment Share on other sites More sharing options...
Floydbax Posted July 25, 2016 Share Posted July 25, 2016 Replacement/better oil caps are very cheap and better than the OEM one. 1 Quote Link to comment Share on other sites More sharing options...
Rock_Steady Posted July 26, 2016 Share Posted July 26, 2016 I get the opposite. Can't undo the bloody thing. End up getting a mallet and screw driver to do the job. Quote Link to comment Share on other sites More sharing options...
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