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| Posted:Jun 25 2003, 02:10 PM |
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My engines tapping like crazy. Im leaking brake fluid and my fuel consumption seems to be going up the shit
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| Posted:Jun 25 2003, 06:32 PM |
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tapping as in lifter tap? does it disappear after engine warms up? has it only been happening since cold days?
if thats the case then its more than likely blocked passages in your rocker arms to your HLA's. Best thing to do is just buy some of that Nulon sludge remover (no idea whats is actually called) but its used inbetween a service. Just pour it in with your old oil and let the car idle for around 15mins, get some high quality proper grade oil for your car and a new filter and go through with the service. That shound clean them out, espically if its just been happening since the cold.
also another possibility is low oil pressure, look for oil leaks and possibly get the pressure tested by a mechanic, i would definately try the service first tho.
With economy i dunno i could be related, i mean has it been happening all at the same time? I would pull codes from the ecu since your so proficent with that now  that should indicate if there is any issue with your o2 sensor, something that will screw up enconomy heaps (100 - 200k per tank).
hth
Frank |
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| Posted:Jun 26 2003, 01:34 AM |
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Lots of important details missing here (noise, fuel milage, etc.). "Tapping" most commonly comes from those pesky HLA's. Valves not opening fully (bad HLAs) can hurt power and economy too....
MX68u is right. Products that remove deposits or sludge will help open the passages in the HLA's (small as a pin hole) if the clogging is not severe. Nulon (?), Ryslone, B12 Chemtool (in screw top can), and Marvel Mystery Oil are some of the things out there... Don't expect immediate miracles though. Anything that can dislodge sludge, can let it move to somewhere else. You hope not. Change the oil afterwards.  and pray that the problem is a minor one.
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| Posted:Jun 26 2003, 07:11 AM |
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ok I'll fill you in a bit more. The engine tapping is constant. There all the time. From the top of the engine. Someone told me that might mean one of my HLA's is dead. My oils levels fine ie full. Last time I filled up I only got 370kms out of 47litres,. I thought one of my 02 sensors might of been on the way out too. I'll be getting the car looked at soon. thx
This post has been edited by ODIN on Jun 26 2003, 12:19 PM
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| Posted:Jun 27 2003, 01:13 AM |
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If the clean-out doesn't work, you'll just have to change the offending HLA. Its not rocket science, just time consuming (a Sat or Sun). 
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| Posted:Jun 27 2003, 08:43 PM |
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One of the hlas is definately dead. The sound im getting is definately different to just normal hlas noise. Took it to repco mitchell. They had a listen that was their opinion. They wanted to change all of them though and charge 1000$ eek. Im not sure what Im going to do at the moment. Might just get the dead one replaced and the other ones dissasembled and cleaned. not sure at all. It sounds like its coming from the back bank of cylinders so it means my IM and Front Strut Bar need taking off as well. Im not that mechanically experienced so Im not sure about doing it meself.
p.s sorry for the thread hijack . Hows your car going Frank?
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| Posted:Jun 29 2003, 02:53 PM |
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as you can see i've now split the topic 
i dont know how much the HLA's cost but screw getting all of them changed for 1k, thats absurd, will they consider just changing one, or do they give you some bs like, we cant give you warrenty if we dont do them all....
i actually took out my hla's and cleaned them out with the article posted here now i know the F2t and whatever yours is called are completely different but the only thing i've done in the past is a alternator replacement so i gave it a shot being the poor person i am and everything seems to have gone through fine. Maybe even check out mx6.com in the 2nd gen projects section, they might have a procedure outlined
After doing it i feel much more confident with going thru and doing modz myself, to be honest this has came out of poor workmanship if anything, i've just been so pissed with some of the work on my car that im starting to do things myself...
llet us know how it turns out odin |
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| Posted:Jun 29 2003, 03:08 PM |
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Suppose I should of split it meself. But thanks anyway. Ive got an idea on how to remove the IM. From my phenos instructions. Plus I have the Probe workshop CD to look at. Just worried about stuff like setting the bolts to the correct tightness .etc. Plus the fact that I'd need to buy some tools. I'll be taking the car to another mechanic this week. Get another quote. Then way up my options on what I should do. thanks for the input.
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| Posted:Jun 29 2003, 03:25 PM |
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yeah i had to buy a torque wrench to tighten my valve cover correctly, like you will need too, thats pretty much all i need along with a good quality socket set which i already had.
the torque wrench only set me back $40 at super cheap autos which are usually pretty expensive so at the end of the day it wasnt too bad
you will actually need to take off the intake manifold as well? bummer...
just be careful with who you go thru with, make sure they have an organised workshop and keep it clean... when i was doing mine i think i was a little too pedantic, the garage was like a surgery before an operation... but yeah what im trying to say is becoz its your car i think you will take the extra time to make sure everything is done properly.. anywayz good luck |
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| Posted:Jul 1 2003, 10:25 PM |
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Just took the car to an engine specialist. They had a close listen. Thought it might be/ might not be the HLA's. They said it sounded like some kind of valvetrain/drivetrain noise. Its really bad on the rear bank and they said it was starting to get noisy on the front bank too.
I'll try and make a wav file of the noise if I can. They seemed to think it might have something to do with the oil pressure. quote 1000 for the HLA's 400 labour + whatever else might be wrong. They said its better to replace all of the hlas or one bank of cylinders at a time, as it is very hard to tell which one is dead according to them. I suppose they'd have to dissasemble each one to check.
So yeah Doesn't sound good. Farken engine only has 118000 k's on it  . Cars starting to sound like a bucket of bolts. Anyone else have any idea what could be causing a tapping sound in the engine?
This post has been edited by ODIN on Jul 1 2003, 10:28 PM
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| Posted:Jul 2 2003, 02:59 PM |
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I took it to mazda and they said straight away that they thought it was the friction gear. But Julian Bradburys site said Friction gear noise should dissapear above 2000rpm and mine is constant.hmm each mechanic seems to think its a different thing. Has me confused somewhat  plus no one down here seems to want to do an engine flush on the engine.
http://homepage.ntlworld.com/dorothy.bradb...robemx/p_p8.htm
This post has been edited by ODIN on Jul 2 2003, 04:59 PM
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| Posted:Jul 3 2003, 05:35 PM |
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Mazda seems convinced that its the friction gear. So I think Ill get thst fixed + maybe put some ze cams in if I can find them
Tried to upload an audio file of the noise but it wouldnt let me
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| Posted:Jul 3 2003, 06:20 PM |
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how much will it be to fix the friction gear? hopefully thats all it is btw, its usually much safer to just go to a factory workshop.
what sort of an increase will you get with ze cams? it will throw your timing out, how are you going to re-tune the ingnition timing and fuel or is it just a very mild upgrade? |
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| Posted:Jul 3 2003, 06:28 PM |
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From my understanding it was a 4 hp or so increase. I was under the impression that the cams were just a bit different profile wise. I suppose I'll have to look into it further. You learn stuff all the time. Suprisingly so far Mazda has given me the cheapest quote by far.
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| Posted:Jul 3 2003, 06:37 PM |
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thanx to ribfeast over at mx6.com:
http://ribfeast.no-ip.com/engine.wav
Thats what it sounds like. Hopefully its just the friction gear, like mazda thinks.
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| Posted:Jul 7 2003, 04:48 PM |
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Both Mazda dealers here have told me its friction gear noise. So I'll get that replaced and maybe think about getting ZE cams.
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