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700/900 Series General Forum for the Volvo 740, 760, 780, 940, 960 & S/V90 cars |
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Question about exhaust manifoldViews : 512 Replies : 19Users Viewing This Thread : |
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#11 | |
Trader Volvo in my veins
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Location: Anglesey
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#12 |
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Last Online: Jul 6th, 2024 10:15
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btw, does the b230fk have a gasket between manifold and block?
if so, what is the part number?
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Proud owner of a 1997 940 2.3 lpt Manual with 501,000km. |
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#13 | |
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Last Online: Yesterday 18:10
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More an observation than a recommendation. You need to be careful you get the right length. Non-turbo exhaust studs (part number 953047) are 45mm long. Turbo exhaust studs (part number 953048) are 48mm long. 35mm stud (part number 1336261) for the turbo to the manifold. |
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#14 | |
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My issue with rendcarparts is the delivery cost. 30€ for delivery to portugal is a steep price to pay on a small order.
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Proud owner of a 1997 940 2.3 lpt Manual with 501,000km. Last edited by SalvadorP; Jun 24th, 2024 at 01:10. |
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#15 |
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I’m afraid that is an occupational hazard of DIY on an old car. If you follow an old school approach of repeated heat, lubricant and small, gentle loosening and retightening with hand tools you might strike lucky. Possibly use one of those nut splitter tools if you can reach with one. Or get yourself some left-handed drill bits and accept the inevitable.
Good luck! |
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#16 |
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Last Online: Jul 2nd, 2024 11:02
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I found the studs were cheaper from Volvo Penta (same part number). Unusual, as normally if something involves a boat, its more expensive!
For release agent, a mix of 50% Acetone (nail polish remover) and ATF is standing me in good stead at the moment. Using that and gentle winding and unwinding I just managed to get two manifolds off without breaking a single stud. What I did was put a load of it on, then soak some tissue in it and squish it round the nuts so it kept it in place and damp, and left it overnight. Many years ago I had a cracked manifold on my 480 turbo. At the time my mate worked with a guy who used to do aerospace welding. He welded it up no problem at all and it was good for the several years of somewhat hard use that I gave that car. |
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#17 |
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I've found an already repaired manifold for 75€ plus shipping. The seller is a specialized volvo parts dealer and he says he has repaired mani manifolds in the past.
I'm thinking if i remove mine and have it repaired, it's probably going to cost me at least 50€ to weld it, plus gas to bring it to the shop. I'll be at least 75€ deep and have to have the car at the shop for several days at least. Buying the spare is looking to be the best option.
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Proud owner of a 1997 940 2.3 lpt Manual with 501,000km. |
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#18 |
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#19 |
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Have an uncracked manifold here I could send you for say 130€ shipped, so 75€ is a pretty good deal.
271704 was the number for the gaskets.
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MY97 940 CD LPT Super Sports Edition 2 Turbo, Midnight Purple, 175,000 miles. |
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#20 |
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I welded my manifold on my B230FT as it had several cracks. Preheated with a blow torch after grinding out the cracks, then TIG welded it up with a high nickel content rod and cooled it slowly and peened the weld as it cooled. It’s held for the last few years and I’m not exactly light on the throttle with it.
Broke two exhaust studs as they were that badly rusted even ATF and acetone wouldn’t break them loose. Ended up making two replacement studs from grade 5 titanium on my lathe to replace them, they should deal nicely with any heat I put through them and they will not corrode. I was going to replace them all with Titanium but didn’t have the time to make the other studs up as I needed the car ASAP. I’ll make more if I ever have to remove the manifold again, might be a fun project for my little CNC lathe…
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940 B230FT |
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