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nutrok4
Fordmods Oompa Loompa
Age:21
Posts: 29
Joined: 26 Dec 2004
Location: tok New Zealand
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 Posted: Thu Dec 30, 2004 4:54 pm Post subject: low oil pressure |
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howzit
the oil pressure in my 89 EA Falcon S 3.9 CFI is low
when you start it up it sits between red(low) and 1 bar
then when you start driving around town it goes up to two bar but if you strat driving hard or cruise on the highway above 70kmh it starts going down
and sits between red(low) and 1 bar again.
if you start going over 110kmh it sits just in the red(low)
could somebody please tell me whats wrong
the head gasket is fine and there doesnt appear to be any oil leaking from any where else
all help greatly appreciated
cheers |
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eed-250
Fordmods - Getting Side Ways
Posts: 1596
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Location: Perth WA, Australia
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| Posted: Thu Dec 30, 2004 4:59 pm Post subject: |
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| might be a dumb question but have u checked the oil level? |
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tiny56
Fordmods Tyre Shredder
Age:52
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Location: adelaide SA, Australia
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| Posted: Thu Dec 30, 2004 5:20 pm Post subject: |
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| cause its not higher when u start cold i would supect the oil pump |
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Lynchman
Fordmods Newbie
Age:29
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| Posted: Thu Dec 30, 2004 8:50 pm Post subject: low oil pressure |
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| How many k's has the engine done, it sounds like the main bearing have excessive play and aren't able to restrict the oil flow to create the oil pressure needed for sufficient lubrication. |
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Interceptor
Fordmods - Getting Side Ways
Age:27
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| Posted: Thu Dec 30, 2004 9:32 pm Post subject: |
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| what viscosity oil are you using? |
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tiny56
Fordmods Tyre Shredder
Age:52
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Location: adelaide SA, Australia
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| Posted: Thu Dec 30, 2004 10:34 pm Post subject: Re: low oil pressure |
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| Lynchman wrote: | | How many k's has the engine done, it sounds like the main bearing have excessive play and aren't able to restrict the oil flow to create the oil pressure needed for sufficient lubrication. |
that may be the case as well but i would think this would result in a drop in oil pressure when the motor is hot - he states he has no or little pressure at cold start up |
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nutrok4
Fordmods Oompa Loompa
Age:21
Posts: 29
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Location: tok New Zealand
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| Posted: Fri Dec 31, 2004 5:19 am Post subject: |
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howzit guys
thanks for the help
i have Penzoil 20w 50 oil
the oil level is full as i just changed it about a week ago and i chekced the level yesterday
the engine has done 246000kms
cheers |
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tickford_6
Fordmods - Getting Side Ways
Age:25
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| Posted: Sun Jan 02, 2005 6:09 pm Post subject: |
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| nutrok4 wrote: | howzit guys
the engine has done 246000kms
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thats your answer.
some engines will go way past that but for some reason some do not, mostly from not being serviced properly by previous owners.
try some penrite HPR15 15W60 , but it will not 'fix' the problem it mayl help to 'hide' the problem and prevent further wear be bringing the pressure up a bit |
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smee
Fordmods Stock as a Rock
Posts: 180
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Location: Widebay QLD, Australia
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| Posted: Sun Jan 02, 2005 6:34 pm Post subject: |
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dude, you have to put on another guage in (mechanical) I know it's a bastard, but you have to eliminate that possibility.
happened to me (EF) but the guage was showing high (phew not the pump!) |
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Punnisher_42
Fordmods - Getting Side Ways
Age:26
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Location: Tingalpa QLD, Australia
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| Posted: Sun Jan 02, 2005 9:48 pm Post subject: |
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nutrok does the engine actually sound like it has low oil pressure?
mine is very similar to yours - drive for 30 mins, oil pressure drops, tappets etc become noisy and makes scraping noises at idle. mechanic suggested that the latter was the hydrolic tensioner on the timing chain not getting enough pressure.
I second the choice in oil, mine knocks and carries on with 20w50 but thinner oils are much better (scary sounds go away)
also try winns "charge" - helps keep oil viscosity (and it did work)
i am just going to keep driving mine until such a time as i can afford a new motor or a new(er) car.
it's most likely a worn oil pump or worn bearings crank shaft bearings on mine and i have been quoted 700-1000 bucks to repair. And im not going to pay that type of money on a motor thats done 230000 clicks.
tho, your problem may be totally different. |
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nutrok4
Fordmods Oompa Loompa
Age:21
Posts: 29
Joined: 26 Dec 2004
Location: tok New Zealand
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| Posted: Mon Jan 03, 2005 3:36 pm Post subject: |
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thanks for all your input guys
i do the mechanical gauge thing this week and change to a thinner oil
i just gota make this engine last long enuf til i get some more money so i can buy a new engine, but the engine still has to sound okay
i cant stand that ticking
cheers |
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tiny56
Fordmods Tyre Shredder
Age:52
Posts: 365
Joined: 11 Nov 2004
Location: adelaide SA, Australia
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| Posted: Mon Jan 03, 2005 5:50 pm Post subject: |
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well buddy doing the mechanical oil guage thing is the way to go to put your mind at rest but its a b**ch of a job
pity ya dont live closer i could lend ya the bits cause i did the same thing on my EA and from your description i will still put my money on the oil pump either stuffed,stuck relief valve or blocked/fallen off pickup filter
lets hope 4 your sake its only a fuked sender unit , i hope you dont know "murphy"
keep us informed good luck youll need it i tink |
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joolz
Fordmods - Getting Side Ways
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Location: Melbourne VIC, Australia
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| Posted: Mon Jan 03, 2005 11:25 pm Post subject: |
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| if anything wouldnt you use a thicker oil, also if it was low the engine would clack heaps! my el had very high oil pressure and ended up being a faulty spade terminal on the oil sender. |
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ndroo
Fordmods - Smokin em up
Age:22
Posts: 204
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Location: Kurri Kurri NSW, Australia
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| Posted: Mon Jan 03, 2005 11:33 pm Post subject: |
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| mmm..my el has done 256,000kms n the pressure seems pretty high. It drops to about 1/2 to 2/3 of the way when crusing but when is start it in the morninhg it quickly builds up...im impressed with how these engins wear when taken good care of all their life. Mine has been serviced every 8 - 10,000kms since new and runs really well...but you dont get a lot of engins out there that still peform this well at this age despite service history. |
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Punnisher_42
Fordmods - Getting Side Ways
Age:26
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Location: Tingalpa QLD, Australia
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| Posted: Tue Jan 04, 2005 10:00 am Post subject: |
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whereas mine didn't appear to get regular services before i got it. and the oil was at least two years old when i got the car, and now im paying for it with a worn out engine at 230,000.
at least it was cheap when i got it... |
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nutrok4
Fordmods Oompa Loompa
Age:21
Posts: 29
Joined: 26 Dec 2004
Location: tok New Zealand
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| Posted: Tue Jan 04, 2005 12:34 pm Post subject: |
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howzit guys
now something different is happening
i still have the same problem but now when you start tharashing it when you get over 2500rpm the gauge starts going haywire boucning all over the show and the engine starts making a funny sound like its not getting lubricated
i think its really fukd now
cheers |
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ndroo
Fordmods - Smokin em up
Age:22
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Location: Kurri Kurri NSW, Australia
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| Posted: Tue Jan 04, 2005 4:46 pm Post subject: |
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| tappets not getting oil id say as ur bearings r worn...get em replaced n ull be schweet. Np's |
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