Last post on Dec 20, 2001 at 6:21 AM
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#251 of 280 Head gasket leaks.
Nov 16, 2001 (8:16 pm)
Do these normally have to be replaced often?
#252 of 280 head gasket leaks
Nov 17, 2001 (9:19 am)
not sure what the ? is, if you have it and don't replace it, you may end up one day replacing the whole engine.
never heard of a Sube needing one but have had bad experiences with Acuras and Hondas and Fords needing them at "low" mileages - 50-70K!
#253 of 280 cptplt - oh no?
Nov 17, 2001 (6:10 pm)
Wander over to Maintenance/Repair and Meet the Members. I had to have a leaky head gasket (water pump gasket, too) replaced this past week on a '00 Forester with 31,700 miles - much lower mileage than the cars you describe. My confidence in Subaru is shaken but the level of attention paid by the dealer and SoA have me hoping that the fix will hold for the duration of my ownership experience. I don't want to even try to pinpoint the root cause of the gasket failure. It didn't happen until about 4 weeks after my 30K maintenance and after I had driven from eastern PA to the NC mountains and back on vacation. I'll leave it at that.
#254 of 280 head gasket
Nov 17, 2001 (6:15 pm)
On older subies, if you overheated the engine there was a 50-50 chance you'd soon need a head gasket. They've gotten better. My dad had several put on his Reliant Ks in under 70K miles.
Nov 18, 2001 (11:40 am)
Yep, and old Subarus like to drop valves, too, and the oil pumps wear out--many people keep driving though, since the worn pumps only make for a clattery engine, which the old Subarus had anyway, so most folks hardly noticed the increase in noise level.
30K for a head gasket failure is pretty premature, that's true. Maybe the engine overheated without you noticing it. That will warp a head quickly enough on a modern car. But sometimes it's just assembly problems. Statistically, all new cars will have a certain number of defects.
#256 of 280 correction
Nov 18, 2001 (12:14 pm)
It wasn't the oil pumps that went bad. It was the oil seal gasket. This allowed air to mix with the oil and manifest itself in the lifters. I have this problem currently on my XT6, although it goes away after 10-15 min of driving.
Nov 18, 2001 (1:33 pm)
Mr. Shiftright (any relation to Nigel?): I never had any indication of overheating. The dealer service department did not report a warped head; then again, they may not have checked for it. Had the head become warped, I'd expect the leaking to begin again very soon, which it hasn't yet, knock wood. This would lead me to believe your latter analysis.
Nov 18, 2001 (5:09 pm)
oil pumps---you mean a seal in the oil pump itself? Well, same-o/same-o, you have to take the pump out and fix it, so "oil pump failure". This happened in an XT I was driving for a short time. Maybe just swapping out the pump is the safest way to go. It wasn't all that expensive as I recall and it did the trick.
I don't know why running the engine for a while would fix a seal, was my point, but your explanation is certainly plausible as one cause of clattery lifters. Audis have a similar issue (the V-6 engines) but this is a pressure valve problem.
#259 of 280 Running for a while
Nov 18, 2001 (5:12 pm)
Will cause the oil to become thinner and/or pump up the lifters with oil pushing out the air bubbles that were sucked in by the oil pump. Thicker oil can help eliviate at least temporarily this issue. XTs are cool, although even with the TC it's slow.
Nov 18, 2001 (5:21 pm)
Well, I don't buy that on first reading but thank you for the argument. If the pump is sucking air it will just continue to do so, seems to me.....but maybe there's some self-bleeding thing going on that I just can't fathom at the moment. I'll keep tapping my teeth with my fingers on that one.
Yeah, XTs are an acquired taste. I like the new Subarus a lot better than any of the older ones.