Master
Changed the oil on my 300 Tdi yesterday, replaced the filter too, started it up and took it for a drive and didn't see any leaks or anything which was great. Then today after having it sit overnight I looked underneath and the filter had a little drop on the bottom of it which didn't look like it had dripped yet (not as worried about that) and there was more of a drip and a little drip mark on the ground under the sump plug. When I had the sump plug out it all looked okay I think although I haven't really seen one before...the bit that looked like the washer (the lighter brown/bronze colored bit) was all fine and not perished at all, although I did notice that it was done up really really tight and I had to get a pretty good wrench on it to loosen it.
It's not dripping badly but it didn't really drip at all before. Should I have replaced the washer or the sump plug anyway even though it looked fine?
When I took the filter off there was still a fair bit of oil dripping out of where the filter attaches to and even though the sump had long finished dripping there was still some coming from the filter attachment and it was still going a bit when I put the new filter on. By the way I did smear the filter gasket with oil first and only put it on hand tight plus an extra 1/4 to 1/2 turn just with my hands to get it pretty tight. Should I really try and tighten it as much as I can with my hands without using any sort of tool? I've heard that you really don't need to tighten them up crazy tight.
I just don't want any drips dammit and I'd hate to think I caused some by doing my oil change. I am aware that Discos do leak though, wouldn't be one if it didn't
Master
Is good practice to change the sump plug. If it was that tight to get off there's a fair chance it would have got slightly damaged when undoing it.
Oil filter should be fine how you've done it. Smear of oil, I prefer to fill the filter as much as possible too before fitting it, screw on till the faces touch and 1/2 to 2/3 turn further is about right. I would certainly not suggest using tools to further tighten, damage the thread and it'll never seal properly again!
Master
Dammit, how much does a new sump plug run? I gave it a further tighten (not much but a little more) this afternoon and cleaned it up so I'll see if it drips again by tomorrow. Also I filled the filter with about 500ml of oil first before putting it on.
I noticed when I took the sump plug out and gave it a clean it had a bit of stretchy plastic tape type stuff left around the base of the thread. Not much but enough to notice.
ForumSage
I use a fresh washer on the sump plug, about every third oil change.
.
Master
A new washer is often enough if the plug is in good condition, typically less than 50c. Can get packs at auto shops that work out 20c each for a pack of 10 or so last time I got some.
New plug itself couple of $.
I wouldn't stress too much over it if it doesn't leak.
Master
SupporterHad the Wifes Hyundai I30 diesel serviced recently and after driving back from Port Mac to Sydney noticed a pool of oil on the drive. On closer inspection it was coming from the sump plug and it when I grabbed it it was loose and only hanging on by a few threads!! amazing that it didn't rattle out on the F3 and dump all the oil.
Learned a few things.
Never get the car serviced on a Sat morning when the mechanics are nursing sore heads.
Always check the sump plug is done up and especially if done by a dealership who tend to have one mechanic and half a dozen apprentices.
I should have known better when I rocked up on Sat morn and nobody had the key to the main gate so I had to hang around for 30 minutes while one of the salesman came to open up.
Iv'e had some bad experience's with Hyundai dealerships thats for sure as one time they charged me for oil and filter and never changed it! and they certainly know how to charge with $550 for a 30,000 service on a small 1.6lt car.
I had a good experiance years ago when having my Chevy Biscane serviced, When i went to collect it from the garage i was told it wasn't ready yet so i ambled around to the workshop and there it was still up on the ramps with a mechanic working underneath, looking over his shoulder i saw him trying to crossthread a sparkplug into my sump, nearly gave him a heart attack when I tapped him on his shoulder.
ForumSage
Originally Posted by Discomark
Which would be why I have a small fleets worth of Hyundai owners bringing their new cars to me for servicing, rather than going to the dealer.
Wizard
SubscriberMay I add my 2c worth here, even though it is rather late?
As for the oil drop on the filter... Just make sure you have tightened it adequately. With some greasy and oily hands it can get difficult sometimes.
As for the leaking sump plug... First question: what model year is your truck? Next question: what spanner size is your plug? LR in its wisdom changed the plug size and thread somewhen during production (not even all LR service staff are aware of this), so you might have a wrongly sized plug. I re-used my plug a few times but usually changed the washer (note that different sizes exist even here). When using a plug of wrong size it will strip the thread, if you are lucky only on the plug itself, leading to difficulties in tightening and subsequently some leakage.
As for it being a LR... "Leaking oil? They all come through like this these days, Sir..."
Cheers
Johannes
There are people who spend all weekend cleaning the car.
And there are people who drive Discovery.
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