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Volvo S70 Head Gasket

10 messages,  Last post on Dec 30, 2008 at 11:14 AM

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#1 of 10 '98 Volvo S70 T5 cylinder head gasket problem by vlibum66 Feb 10, 2007 (9:31 pm)
Hi everyone, I bought a 98' S70 T5 Volvo a little over a year ago. Loved it madly. Put 20K on it since and had no major problems. Recently, when it got colder (just around freezing t)I noticed a white creamy stuff building up in the oil dip stick tube which I thought could be just a moisture condensation from the air. I did not see anything in the oil when changing it.I never saw anything like that on the oil cap (which is a bad sign) so I did not bother until today when I noticed some white cream on the oil cap too. I guess my cylinder head gasket is leaking. Does anybody know how frequent those problems are in Turbo S70s and how much would it cost to replace the gasket? Any useful advices in this regard? Why would the gasket go bad? Could it be that the engine head is cracked if the engine got overheated in the past (I would not know the history). Is there a way to tell before opening up? Compression test etc? Importantly if I do replace it would I be able to drive this car for years or it will go bad again soon? I had this bad experience with Audi 5000S ('83)in the past so I am scared... Many thanks, folks. Replies to this message: wyoming3 (Feb 23, 2007 9:44 pm) toko (Dec 30, 2008 11:14 am)
#2 of 10 Re: '98 Volvo S70 T5 cylinder head gasket problem [vlibum66] by wyoming3 Feb 23, 2007 (9:44 pm)
Replying to: vlibum66 (Feb 10, 2007 9:31 pm) I also noticed a similar problem tonight on my 98' S70 Volvo. I bought it used a little over a year and a half ago and have put 10k miles on it. It only has 64k miles total. The coolant light has been coming on when turning sharp corners. I first checked my oil level and noticed a foam build up on the entire length of the dip stick. I didn't notice anything on the oil cap. When I checked the coolant reservoir, it was about 1/3 full, but brownish in color - not a good sign. I plan to have my mechanic look at it ASAP. I'm also interested in any other experiences people have had and what it took to fix this. Thanks.
#3 of 10 Nope by studbutter Mar 03, 2007 (12:08 pm)
We have 150,000 miles on our S70 and nothing of the sort. Heck, our motor oil still looks golden at the oil changes. We do have the naturally-aspirated motor, though, no turbo to ramp up the internal pressures of the motor. Replies to this message: wyoming3 (Mar 05, 2007 11:59 am)
#4 of 10 Re: Nope [studbutter] by wyoming3 Mar 05, 2007 (11:59 am)
Replying to: studbutter (Mar 03, 2007 12:08 pm) I ended up having a mechanic look at my S70 to determine if there was a head gasket problem and he said there wasn't. He ran several block tests, at both hot and cold conditions, and said the head gasket looked good. The foam on the dip stick is something he has seen before on S70's in the Northwest with the extra moisture up here. I forgot to ask him about a possible cause of the brownish looking coolant, but he did flush it. I will keep an eye on it. The car is running fine.
#5 of 10 S-70 Air conditioning by jonny01 Apr 30, 2007 (9:23 pm)
My A/C is blowing hot air, I do hear the clutch engage for 2 seconds and then it turns off. I'am thinking it just needs a re-charge since I havent had one in 105k miles. The dealer is very expensive for just about everyhting. Can I do it my self with a A/C kit you can buy from Kragen or Pep Boys?
#6 of 10 head gasket problem by 4children Jan 21, 2008 (5:07 pm)
i bought a head gasket set for my 2000 volvo s70 glt. i took it all down. but i notice that everything in the gasket kit. was the same. but the head gasket was a lil diffrent. but it fit. i put everyting back together and i have no compression and it want start just spins over and it sounds like its not in time please help. Replies to this message: inetadv (Feb 04, 2008 2:02 am) ergarity (Oct 20, 2008 12:14 pm)
#7 of 10 Re: head gasket problem [4children] by inetadv Feb 04, 2008 (2:02 am)
Replying to: 4children (Jan 21, 2008 5:07 pm) I'm, unfortunately, doing the same job right now. I assume they asked you for the specific motor size (2.3 or 2.4 ltr) and turbo vs non, when they sold you the set. I assume you torqued all head bolts in the correct sequence and to the proper value. And that you didn't reuse the old head bolts. This engine calls for 'torque to yield' spec's on the head bolts, so they are ruined for reuse. Did you replace the timing belt when you had the head off? whether you did or didn't, did you make marks on the two cam gears and crank gear to assure identical positioning when reassembling timing belt (new or old) as when you removed the components? (if you didn't correctly position timing belt on reassembly then your valve operation will not be coordinated properly with your piston movement or ignition spark - so your car will crank with no results [except you may smell unburned gas coming out of the exhaust pipe.] AND you may end up seriously damaging the valves and/or pistons when cranking the engine if this engine has zero clearances between the valves and pistons at TDC [top dead center]) good luck Replies to this message: ergarity (Oct 20, 2008 12:14 pm)
#8 of 10 2000 s70 turbo by jonesey1 Apr 15, 2008 (3:40 pm)
I have white smoke coming out of my exhaust, I just bought the car and it has 100000 miles it is still within the 30 days could this be the head gasket?
#9 of 10 Re: head gasket problem [inetadv] by ergarity Oct 20, 2008 (12:14 pm)
Replying to: inetadv (Feb 04, 2008 2:02 am) hi,   My husband has just taken apart the head, replaced 12 intake valves, replaced all 24 seals, had the cylinders machined, and put everything back together. He lined everything up, tried to start it, and nothing. There is no complression, but befiore thsi goes in for the really pricey mechanigc job I am expecting, is there anything else he can try?
#10 of 10 Re: '98 Volvo S70 T5 cylinder head gasket problem [vlibum66] by toko Dec 30, 2008 (11:14 am)
Replying to: vlibum66 (Feb 10, 2007 9:31 pm) To everyone who has a turbo model - if the oil is whyte and creamy and there not whyte smog - it's means that a Secondary Air Pump is gone or full with water. I hope it's not too late..... toko

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