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| Noise From Tappets http://www.club323f.com/forum/viewtopic.php?f=18&t=4348 |
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| Author: | zzoobb [ Fri Jul 08, 2005 12:23 am ] |
| Post subject: | Noise From Tappets |
Since i brought my car (around 106000 KM's) i've done 20000Km's in 10 months and around the 110 mark the tappets have been gettin louder and louder slowly, i put an additive in with my oil change but it bugs me that they are so loud, does any one know an easy way to cure this. thanks Steven New Zealand |
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| Author: | fastmike [ Fri Jul 08, 2005 12:37 am ] |
| Post subject: | |
I've had this, and through trial and error found a solution. When you change the oil, you use an engine flush first. Pour it into the engine and let it run for 15 minutes, drain the oil out, change the oil filter and fill the engine back up with fresh oil. The flush will clean out the tappets which get clogged up with crud. What sort of oil do you use? I use 10/40 |
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| Author: | zzoobb [ Fri Jul 08, 2005 12:54 am ] |
| Post subject: | |
Shell Helix 15W40 i think it is the additive is MBL8 that i add with the new oil |
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| Author: | Lantis [ Fri Jul 08, 2005 1:11 am ] |
| Post subject: | |
never heard of the MBL8 additive but i had the similar prob. all i did was flush the engine out with wynns engine flush then added the new oil, i use castrol 10-40w dnt try using anything lower like 5-40w cos its thinner therefore it will run out faster. then u start hearing it again |
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| Author: | zzoobb [ Fri Jul 08, 2005 1:13 am ] |
| Post subject: | |
thats the bit i like about doing an oil change it makes it quiet for another 1K KM's then it slowly gets louder.lol |
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| Author: | Smotter [ Fri Jul 08, 2005 8:10 am ] |
| Post subject: | |
I'll agree with the Wynn's Oil Flush idea - I flush every 2nd or 3rd service to keep things clean. |
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| Author: | Lantis [ Sun Jul 10, 2005 12:58 am ] |
| Post subject: | |
Sum toyota forum people actually buy a whole big can full of flush and fill it up then it cleans it out entirely then you add the new oil in after emptying the flush out again. not sure if this is the correct way but u can try. |
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| Author: | zzoobb [ Sun Jul 10, 2005 2:17 am ] |
| Post subject: | |
would'nt that be really harsh on the engine and the seals with 100% engine flush? |
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| Author: | fastmike [ Sun Jul 10, 2005 11:01 am ] |
| Post subject: | |
The engine should be ok for about 15 minutes or so |
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| Author: | Artermis [ Sun Jul 10, 2005 11:41 am ] |
| Post subject: | |
if its getting noisey, try a thicker oil. i have 15w 40 in mine, which is a castrol oil for cars over 75000 miles. i changed in on thurs actually and so far it runs fine with it. Arty |
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| Author: | essex-lad [ Sun Jul 10, 2005 11:54 am ] |
| Post subject: | |
[quote="Lantis"]Sum toyota forum people actually buy a whole big can full of flush and fill it up then it cleans it out entirely then you add the new oil in after emptying the flush out again. not sure if this is the correct way but u can try.[/quote] NOT A GOOD IDEA  [-X
Best way is to add a can of engine flush to your oil and run engine for 15 to 20 mins. Then drain oil and refill etc etc I take it you've got hydraulic tappets ! |
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| Author: | AndyH [ Sun Jul 10, 2005 6:28 pm ] |
| Post subject: | |
Totally agree - these Mazda engines seem to love a good engine flush 
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| Author: | Wai.Cheung [ Sun Jul 10, 2005 7:36 pm ] |
| Post subject: | |
Lantis type-R.... V6 eh? It may not be the tappets after all. See if you can find any previous messages in the 'Service & Technical' section. I have first (and second!) hand experience of this and it will most likely be the 'Friction Gear' that has lost tension in the spring and you can now hear the camshaft cogs rotating around each other (I'll bet that you can hear it more towards the back of the engine bay?). If this is the case then you needn't worry as this will not affect the running of the engine.... just the condition of your streetcred! The friction gear is just a third cog that puts more pressure on the cogs on the camshafts via a disc spring. It's SOLE purpose is to make the engine quieter and the spring will lose it's tension due to heat-exposure over time (usually about 100,000miles). the rear is subject to more 'hotspots' and will wear out sooner than the friction gear in the front bank of cams. So common on V6 KL/KF engines that you could almost calenderise it!! 
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| Author: | zzoobb [ Mon Jul 11, 2005 5:39 am ] |
| Post subject: | |
yeah it sounds like it is comming from the back left hand side of the engine bay, thanks for the tip, will still flush my engine soon tho. |
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