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V70 1998 t5

Old 11-01-2018, 07:50 AM
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Join Date: Sep 2016
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Default V70 1998 t5

i have a 1998 V70T5. I bought it two years ago with 103,000 miles. The first thing I did was replace the PCV system.

For 2 years all was smooth. This summer I replaced AC compressor and radiator. Last month the transmisssion cooling hose popped off and immediately after I replaced that, my rear cam seals were leaking dramatically. I replaced them.

I have put a rubber glove on the oil cap and it does get air albeit not guickly or with much force.

im also preparing to replace the heater core.

I doubt i Need a new pvc system so quickly, but something is not right.

Many suggestions?


Last edited by rgierer; 11-01-2018 at 07:51 AM. Reason: Error spelling
Old 11-01-2018, 02:04 PM
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Join Date: May 2012
Location: Kingsport, TN
Posts: 1,507

There is no connection from the PCV system to vacuum on the T5's, so it doesn't really do a whole lot. You don't see anything like "suction".

The hoses, in my experience, are very likely to pop off after the radiator R&R because the ring that holds them in has to be bent to remove it. It's an odd design. Plenty of ways to "make" it work, and that is what you have to do to keep it from popping off. Also in my experience, the rear cam seals just walk out at random times and need to be popped back in. I've had to do that on several Volvos.

There are Volvo enthusiasts who believe crankcase pressure could push the cam seal out, but I prefer to think it's not related. So your crankcase pressure seems fine to me.
Old 11-01-2018, 02:47 PM
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Thank you, I can live with that answer.
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