After switch to synthetic my motor is leaking like crazy

Messages
300
Location
toronto
I have a 1990 golf 1.8 8v. It has 250K KM on it. 3 weeks ago I switched to AMSOIL 5W50 and ever since it is leaking oil from the back of the engine. There is always a oil spot under my car ( cap full worth) it only leak while it is running. I have already replaced the valve cover gasket. The oil leak is from somewhere back of the motor. I cant figure out where! Is it worth adding an over the counter leak stop additives? I cant use ARX since the oil is only 3 weeks old. I am not about to waste $50 worth of finr synthetic oil and Mann filter.
 
Messages
6,388
Location
Washington St.
That spot that's leaking probably had a "seal" of crud keeping the oil away from the actual seal. Give the new oil time...the superior detergents are cleaning the crud out of there and components in the oil will recondition the seal and allow it to seal as good as mechanically possible given the age and condition of the seal. Ken
 
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5,358
Location
Gone
No knock on Amsoil, but your car is German...it wants the Green Elixer...your car is not leaking...it is...well...ummm...it is actually crying [Wink]
 
Messages
2,556
Location
Columbus Ohio
quote:
Originally posted by pscholte: No knock on Amsoil, but your car is German...it wants the Green Elixer...your car is not leaking...it is...well...ummm...it is actually crying [Wink]
Reminds me of "OIL LEAK!!!!......WHAT OIL LEAK?. That is just sweat, from all that horsepower!". [Big Grin] What...nobody else listens to budweiser radio commercials? [Cheers!]
 
Messages
780
Location
Palatine IL
Drain, do the rx, and reuse the amsoil after you're done. If it's leaking that bad, you'll go through the amsoil before the next change, have payed a lot for nothing, and your car will still be leaking.
 
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11,284
Location
Spring HIll
quote:
Originally posted by goodvibes: Drain, do the rx, and reuse the amsoil after you're done. If it's leaking that bad, you'll go through the amsoil before the next change, have payed a lot for nothing, and your car will still be leaking.
I second what GoodVibes said. You'll get rid of that leak, and not waste all that good oil.
 

Patman

Staff member
Messages
21,993
Location
Oakville, Ontario
quote:
Originally posted by kickster: LOL, what is Green Elixer?
German made Castrol Syntec 0w30, sold up here in Walmart for $6.66 per liter. The oil is green in color.
 
Messages
23,591
Just yesterday, I posted the oil requirements of my '89 1.8 VW motor. It's the same I-4 8v engine like in the Golf. That 0W-X and 5W-X weak sauce will always find a way out of that engine. The manual suggests 15W-50 and 20W-50. PS: Sorry for the accidental double post. [ July 02, 2004, 11:03 PM: Message edited by: moribundman ]
 
Messages
5,358
Location
Gone
quote:
Originally posted by moribundman: Just yesterday, I posted the oil requirements of my '89 1.8 VW motor. It's the same I-4 8v engine like in the Golf. That 0W-X and 5W-X weak sauce will always find away out of that engine. The manual suggests 15W-50 and 20W-50. PS: Sorry for the accidental double post.
Needs a thicker viscosity?...that is understandable, if that is the way the motor was engineered...0W-X and 5W-X is "weak sauce?"...never! [No no]
 
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23,591
Well, I had two Sciroccos, both liked to leak oil, especially the lower viscosities. I eventually ended up using 5w-40 in my '89, but it always leaked oil from various spots. Even the headgasket was "weeping." Back then I didn't know much about oil, and I just went with what was considered the latest synthetic. I believe it was BP Strato 5W-40. In retrospect, I should have probably gone with a thicker oil, which is what my mechanic always told me. Maybe I wouldn't have had to replace the valve stem seals every 70k miles?
 
Messages
5,358
Location
Gone
quote:
Originally posted by moribundman: Well, I had two Sciroccos, both liked to leak oil, especially the lower viscosities. I eventually ended up using 5w-40 in my '89, but it always leaked oil from various spots. Even the headgasket was "weeping." Back then I didn't know much about oil, and I just went with what was considered the latest synthetic. I believe it was BP Strato 5W-40. In retrospect, I should have probably gone with a thicker oil, which is what my mechanic always told me. Maybe I wouldn't have had to replace the valve stem seals every 70k miles?
moribundman, Understand completely...in cases like you describe, SLX or M1 5W30 won't work...just don't believe they are in any way inferior in applications for which they are suited. [Cheers!]
 
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18,449
Location
East of IGO
Try going back to a petro oil to see what happens, replacing seals has to cost more than an oil change,unless it a valve cover or something very simple.
 
Messages
1,011
Location
Montgomery, Alabama
quote:
Originally posted by kickster: I have a 1990 golf 1.8 8v. It has 250K KM on it. 3 weeks ago I switched to AMSOIL 5W50 and ever since it is leaking oil from the back of the engine.
Amsoil doesn't make a 5w50 oil.
 
Messages
76
Location
Halifax, N.S., Canada
this is an all-too-common problem. I ruined the engines in a Dodge and a VW Jetta diesel doing the same thing. (I'm a slow learner - the first one didn't teach me)The higher detergent levels in the synthetic cleans out all the seals. You gotta reseal the engine. Both main seals gotta be replaced.
 
Messages
7,409
Location
Austin, TX
I had a '85 Golf with the 1.8 8V I bought new and can confirm these engines don't like thin oils. Use of cheap dino 5w30 will result in about 3lbs of oil pressure when hot at idle, as soon as the oil shears out of grade a little. I replaced the valve cover gasket and the oil pan gasket (super easy on these engines) at about 90K and all my oil leaks went away. Used Mobil1 most of it's life, but as the car got to be about 15 years, with 150K miles I tried economizing with dinos. This is how I discovered how poor of quality some of these 5w30 dinos could be(shearing). My main rear seal never leaked, so maybe you should look into replacing the oil pan gasket and/or giving AutoRX a try if you think the rear main seal is leaking. [ July 03, 2004, 09:54 AM: Message edited by: 427Z06 ]
 
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4,643
Location
The Garden State
I also had a 1985 Golf with the 1.8 8V and the only place where it leaked seriously was the valve cover. Replaced it twice in about 110,000 miles. Easy to do [Smile] . The oil pan gasket would "weep" and I just tightened bolts ocassionally. It was never enough to change the gasket. As I recall I ran 10W-30 Castrol GTX in the colder weather and Castrol GTX 10W-40 in the warm weather. I don't recall them asking for a 5w-xx oil or even a 15/20W-50 oil Of course I haven't had the car for 9 years so my memory could be a bit fuzzy [Frown] . Whimsey
 
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