Astra Coupe Tappety Tap advice

[cort16]

Right so I've got this Astra Coupe and when it went through it's MOT it had an advisory on an oil leak. It was pretty bad so the bottom line was I replaced the oil filter housing, oil filter and I changed the oil. Now when I start it up one or more of the tappets seems to be clattering rather loudly. When you take the oil filler cap off it's louder.

 

It's 1.8 18XE with 127k on it.

I'm pretty sure it wasn't doing it before I changed the oil.

I used 15w/40 when I changed the oil

The oil light goes straight out when I start the car

 

Has anyone any ideas why it would do this after changing the oil? Is there any snake oil that would quiet it down a bit or am I better just calling it a loss and sticking it through the auction or as Laquer Beal will no doubt say "scrap it"?

[Cavcraft]

Couple of engine flushes (use oil the second time, not the proper flush stuff) then run it a few days with nice new oil then change it again. If it's still tapping lob some of that thick gloopy stuff in it and sell it from a pub carpark.

[Mr_Bo11ox]

Cane it up and down a motorway for an hour or two.

[Cavcraft]

It's a Vauxhall, it's shit.

[cort16]

I did wonder if it just need a good wallop up the road if nothing else it's better than standing looking it at it shaking my head.

[cobblers]

Yeah, put some engine flush in (wynns seems to work) and run it round and get it nice and hot with it pumping round, just don't hammer it since it probably thins your oil out a fair bit.

 

I've used it in a few things and it'll generally shut the tappets up for a few months. (Mk2 golf, Mx5 etc)

 

My mate bought an old vw T25 that had been stood for a while, and one of the lifters had completely collapsed and they're a head off job which is a big deal on one of them - he was only selling it on, so he put two bottles of flush in and wedged the throttle open so it was at about 4000rpm (more or less redline) and left it until it shut up/the rad popped/it exploded.

Luckily after about an hour, it stopped tapping

[cort16]

I think I'll wang some of this in it and see what happens. I put good oil in it and don't want to just piss it away doing a flush.

If this stuff has no effect I'll flush it.

 

[Cavcraft]

I'm telling you me old tater give it a good flush twice.

[retrogeezer]

drain the good oil out into a clean can and keep it for after the flushes..

[Timewaster]

I'm pretty sure it wasn't doing it before I changed the oil.

I used 15w/40 when I changed the oil

 

15w/40 is too thick Shirley?

 

I would have thought 10w/40 or thinner could well solve the problem.

[cort16]

I think it should be okay but with that oil. That's what the internetz and the guy in the shop said anyway (he could have been trying to get rid of old stock).

I wanged a bottled of that hydraulic valve lifter stuff in it and took it for a blast up the road and it seems to be much better.

[Split_Pin]

No!!

 

Lots of myths about this, but the correct oil is 10w40 for this and most other VX's of this era.

 

Please try this first . Ill bet the hydraulic tappets are not operating smoothly because of this oil.