Omega Owners Forum
Omega Help Area => Omega General Help => Topic started by: kaljakhu on 29 March 2010, 11:53:56
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HI
IVE GOT A 2.5 TD AUTO OMEGA BMW ENGINE 1999. THE PROBLEM I HAVE IS THE SUMP PLUG IS LEAKING. I LIVE IN THE BLACK COUNTRY AND I HAVE TRIED TO FIND PLACES THAT CAN HELICOIL IT BUT THEY ARE EITHER UP NORTH AS IN BRADFORD OR DOWN SOUTH AS IN SOUTHHAMPTON. CAN ANYONE GIVE ME A CHEAP CREDIT CRUNCH SOLUTION TO THIS AS I DO NOT WANT TO HAVE TO PUT A BRAND NEW ONE ON AS I NEARLY FAINTED WHEN THE DEALERSHIP TOLD ME THE PRICE. I HAVE TRIED TO FIND A SECOND HAND SUMP BUT THERE ARE TOO MANY OMEGA LOVERS OUT THERE AND THEY DO NOT WANT TO LET THEIR CARS GO THE THE CAR CEMITRY. MANY THANKS IN ADVANCE TO WHO EVER CAN GIVE ME A SOLUTION.
REGARDS
KAL
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The BMW sumps are rubbish, always strip. You could buy a helicoil kit, but would imagine most engineering firms would be more than willing to do it...
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Isn't there the material to tap out to a bigger size?
PS please turn your Caps Lock off ...... you don't want to be seen to be shouting! ;) ;) :y
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Isn't there the material to tap out to a bigger size?
PS please turn your Caps Lock off ...... you don't want to be seen to be shouting! ;) ;) :y
Yes, but it will fail again. Do NOT underestimate the crap quality of BMW components. Helicoil is the fix.
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..... Helicoil is the fix.
It must be bad then if a Helicoil is better. I've never had much faith in Helicoils, they have a tendancy to wind out.
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..... Helicoil is the fix.
It must be bad then if a Helicoil is better. I've never had much faith in Helicoils, they have a tendancy to wind out.
I have tested the 'knock the sump plug out at 80mph' test - Believe me, helicoils are superb ::)
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..... Helicoil is the fix.
It must be bad then if a Helicoil is better. I've never had much faith in Helicoils, they have a tendancy to wind out.
I have tested the 'knock the sump plug out at 80mph' test - Believe me, helicoils are superb ::)
But you weren't trying to unscrew your sump plug at 80 though ;) :y
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Kal, I'm in the black country to if you want a hand :y
What is the thread on the sump plug? I can have a look see if I have a helecoil in my kit to suit ;)
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Kal, I'm in the black country to if you want a hand :y
What is the thread on the sump plug? I can have a look see if I have a helecoil in my kit to suit ;)
MDTM used a spark plug helicoil kit on my old tractor (now Squealeys), and a Peugeot sump plug (Pugs do a sump plug that is same diameter and thread pitch to spark plugs)
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Kal, I'm in the black country to if you want a hand :y
What is the thread on the sump plug? I can have a look see if I have a helecoil in my kit to suit ;)
MDTM used a spark plug helicoil kit on my old tractor (now Squealeys), and a Peugeot sump plug (Pugs do a sump plug that is same diameter and thread pitch to spark plugs)
M14 x 1.25mm then ;) I'll have a look when I get back to work :y
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Had the same problem, drilled it with a 12mm drill, and fitted an M14 x 1.5 plug. That was about 4 oil changes ago, no further problems.
HTH :y,
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Had the same problem, drilled it with a 12mm drill, and fitted an M14 x 1.5 plug. That was about 4 oil changes ago, no further problems.
HTH :y,
cant remember what a retapped mine to (before helicoil), but it stripped again after a few oil changes
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I used the 12mm drill, rather than the 12.5 before tapping the new thread which allowed a snug interference fit for the new sump plug. :y
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M14 x 1.25mm then ;) .....
that's the same as a regular Omega & Astra sump plug then .... I think. I 've a spare Omega plug, an almost stripped Astra sump pan but no suitable tap to clear the Astra sump. I'm sure I decided the plug was M14 x 1.25 I'll dig my thread gauges out tomorrow. :y
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M14 x 1.25mm then ;) .....
that's the same as a regular Omega & Astra sump plug then .... I think. I 've a spare Omega plug, an almost stripped Astra sump pan but no suitable tap to clear the Astra sump. I'm sure I decided the plug was M14 x 1.25 I'll dig my thread gauges out tomorrow. :y
Pretty sure they are 1.5.....the 1.25 is a little odd....hence why french cars use it
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M14 x 1.25mm then ;) .....
that's the same as a regular Omega & Astra sump plug then .... I think. I 've a spare Omega plug, an almost stripped Astra sump pan but no suitable tap to clear the Astra sump. I'm sure I decided the plug was M14 x 1.25 I'll dig my thread gauges out tomorrow. :y
Pretty sure they are 1.5.....the 1.25 is a little odd....hence why french cars use it
I'll measure my spare sump plug - now that I've found my thread gauges ;D. I know thw standard M14 tap I found in my big tub of taps wasn't the same thread ........ thinking about it ::) it might have been the same pitch as an M8 bolt ie 1.5 pitch ;)
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it might have been the same pitch as an M8 bolt ie 1.5 pitch ;)
Normal M8's are 1.25 pitch :y
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it might have been the same pitch as an M8 bolt ie 1.5 pitch ;)
Normal M8's are 1.25 pitch :y
You are of course quite correct .... M8 tapping 6.8 17/64" M10 has a 1.5 pitch :y
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I use ptfe around the sump plug and gasket sealent at the plug head too...
Not the ideal solution, but, cheap and works... I just take great care to get the plug tight, but not so tight as to strip the thread any further...
When I have a little more cash, I may well helicoil it, but, for the time being, it can wait....