Rover V8 hydraulic tappets/lifters. Can you clean them if they have no wear?
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- เผยแพร่เมื่อ 7 ม.ค. 2020
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Take a socket, and put the tappet in a big vise, with the socket in the top. Slowly increase pressure, bit by bit, waiting a minute or two between turns. You will bleed it out, compress it, and then you can introduce cleaner through the hole as you let it expand. Some U.S. engines (GM) require this procedure when reassembling the heads.
When I was an apprentice in a British Leyland garage in the seventies we used to do this quite regularly.
I always buy new lifters but I do LOVE saving old parts if possible - nice video this 🙂
Im not shor i thank i lost a posh rod
Only one way to no
Haha well that's a helpful bit of knowledge, BMW motors when noisy lifters start , they rev the motor to around 2or 3 thousand rpm for 3 minutes to prime them and say it goes away for good, think I'd clean them first to be sure though, nice tip Mike thanks 👌
You can also put the lifter into ultrasonic cleaner.
just done this job on my rover v8, i found once the clip and the cap was out, gently tapping them top down on the vice till they cam to the top, then hooking them with a small screwdriver got the piston out.
Now I understand why the 300 tdi has a solid roller tappet camshaft and not a hydraulic one ! That "dirty" oil looked like my 300 tdi Disco 1 at its regular 5000km oil change 😂 Shudder to think what missing a oil change would do if it had hydraulic tappets and went over by a couple of thousand k's 😱
Thank you!
Great video, quite educational, thank you!
Glad you enjoyed it!
Interesting. Thank you.
Thanks for watching!
I was surprised in Venezuela to meet someone with a carbureted 350 install. I think he had someone locally make a bellhousing adapter. Not sure if the manual transmission was worn before or after conversion. Gas was less expensive than water.
Hi again buddy, I'm just starting to rebuild a 3.9 v8, I've checked my lifters no sign of wear out side so will definitely be doing this on mine. Don't suppose you could show me what to look for on camshaft damage wise? Again I wish you lived down road as I'd love to be taught by you as you say how it is in layman's terms. Keep up the Sterling work fella, you are an inspiration into doing yourself on these here rovers
Thanks again
Dave
Dave - you have to look for wear on the bottom of the tappet - could be concaved - if so, then the cam will be shot too.
There should be no pitting on the cam or any other marks - check the heights are all the same
Cheers buddy ,no concave on bottom of tappets so will be stripping them down ,now checking my cam, would I benefit changing the crankshaft shaft bearings while engine in bits? I know your a busy man but you have helped me so many times with your videos
Many thanks and respect
Dave
If it is in bits, then I would refresh bearings - they are not expensive
That looks bloody tedious, but you're probably stuck inside singing 'Baby it's cold outside '!
It was one of the most boring jobs! But these tend to rattle, so might as well check them
Glad I found this as mine were all a bit sticky. I made the mistake of taking them all out though and now I’m told that they won’t work putting them back in a different order. Is this true? Will I need to buy a new set and new cam?
Hmm = I did one at a time and matched them to the cam - you may have issues with unmatched wear
Britannica Restorations Ltd thanks. I’ve decided to replace with a new cam and lifters.
What causes the build up of black deposits in the rocker, etc in the V8?
I believe it is exhaust gasses or crank case fumes - not sure but they are all the same
Do you need to bleed the air out/prime them with new oil before you put back in?
Yes but I am going to crank the engine with no plugs in to pre pressurize them
@@BritannicaRestorations With the plugs out how long should I cycle the engine? There won't be much oil in the heads at that point when I do this because of a head gasket job.
Sets of lifters are pretty cheap so you wonder if the effort is worth it but then again is the quality as good as the originals?
Rather have originals than cheap copies
Hi, my oil pick up got blocked and I lost pressure. I have cleared the blockage and put a new oil filter in. The oil light now goes out when turning over but it won't fire. Can the followers be recharged simy by turning the engine over?
Yes they should - they will shout a bit while filling, but it should still fire up
What model engine?
@@BritannicaRestorations its a l322 05 plate Petrol v8
Tried a few times now and it's not even trying to bite. Any help would be greatly appreciated
Sorry mate, I have not seen one of those under the bonnet! Too new for me!
@@BritannicaRestorations no worries. Thanks anyway
$120 for 16 of them at British Atlantic - my time is worth a lot more than this
How dose the liter come out of the head
They are in the block
@@BritannicaRestorations thank you