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Car Forum / Volvo Cars / January 2006740 GL: torque for damper pulley bolt?
Re: 87 Volvo 740 GL. Has the B230F 8-valve engine. I need to know what the correct torque value is for the crankshaft (or damper) pulley bolt. Thanks! >Re: 87 Volvo 740 GL. Has the B230F 8-valve engine. I need to know >what the correct torque value is for the crankshaft (or damper) >pulley bolt. Thanks! According to the Bentley 240 manual, page 215-5, for the B230 motor, tighten to 60Nm (44 ft.lbs) then an additional "1/6-turn (90 degrees)" Huh...? 1/6 of a turn = 60 degrees [360/6] 1/4 of a turn = 90 degrees [360/4] Maybe someone can explain or clarify.. it would not be the first mistake I have found in Bentley. I have asked by E-Mail the tech folks at Bentley to clarify this. __ __ Randy & \ \/ /alerie's \__/olvos '90 245 Estate - '93 965 Estate "Shelby" & "Kate" I had this issue with an Alfa Rameo Gullia super ,the book mixed up the left and right so that the valves were out 180 degrees .Destra and sinestra ,right and left were changed to left and right .By the way sinestra is where we get sinister from meaning a left handed person ,as the church taught all left handers were evil .I remember as a kid children being given hell for using their left hand .My wife went through it but resisted .In fact a few kids ended up with speech impediments from being forced to write with their right hand .Thats besides the peer group pressure . >>Re: 87 Volvo 740 GL. Has the B230F 8-valve engine. I need to know >>what the correct torque value is for the crankshaft (or damper) [quoted text clipped - 17 lines] > '90 245 Estate - '93 965 Estate > "Shelby" & "Kate" The other one I found (and had informed them of months ago) is in he Ignition System section, on page 280-3, bottom right column. It "shows" the OBD code for 1-4-1 [*---****---*], but the text describes it as "1-4-2." You know, and I know, but that other guy is going to go nuts trying to figure that one out. >I had this issue with an Alfa Rameo Gullia super ,the book mixed up the left >and right so that the valves were out 180 degrees .Destra and sinestra [quoted text clipped - 26 lines] >> '90 245 Estate - '93 965 Estate >> "Shelby" & "Kate" __ __ Randy & \ \/ /alerie's \__/olvos '90 245 Estate - '93 965 Estate "Shelby" & "Kate" >>Re: 87 Volvo 740 GL. Has the B230F 8-valve engine. I need to know >>what the correct torque value is for the crankshaft (or damper) [quoted text clipped - 11 lines] > > I have asked by E-Mail the tech folks at Bentley to clarify this. Haynes to the rescue! (Really!) The spec there is given as the same, but the second stage is listed as an additional 60 degrees. "... three out of four high-school students - nearly half - leave school without an adequate understanding of mathematics." - Dave Barry >>>Re: 87 Volvo 740 GL. Has the B230F 8-valve engine. I need to know >>>what the correct torque value is for the crankshaft (or damper) [quoted text clipped - 16 lines] >The spec there is given as the same, but the second stage is listed as an >additional 60 degrees. WOW! That's one in a row for Haynes, eh? ;-) Actually, the Haynes makes a very nice back-up for the Bentley. ...could be worse... could be Chilton! Ughhhh :-( The Chilton for the 960 is just a bit this side of being best used as a table-leveling device... __ __ Randy & \ \/ /alerie's \__/olvos '90 245 Estate - '93 965 Estate "Shelby" & "Kate" It actually comes out somewhere near to 280lbsft which is an enormous torque and why a crankshaft holding tool is required to undo the thing. OK, there are tricks to fool it into loosening up. All the best, Peter. 700/900/90 Register Keeper, Volvo Owners Club (UK). >>>>Re: 87 Volvo 740 GL. Has the B230F 8-valve engine. I need to know >>>>what the correct torque value is for the crankshaft (or damper) [quoted text clipped - 29 lines] > '90 245 Estate - '93 965 Estate > "Shelby" & "Kate" Which could explain why Geronimo had a few keys sheared off- Not enough torque allows the pully to slip on the crank, and Bob's your uncle! Hopefull he's your woodruff key supplier as well! >It actually comes out somewhere near to 280lbsft which is an enormous torque >and why a crankshaft holding tool is required to undo the thing. OK, there [quoted text clipped - 38 lines] >> '90 245 Estate - '93 965 Estate >> "Shelby" & "Kate" __ __ Randy & \ \/ /alerie's \__/olvos '90 245 Estate - '93 965 Estate "Shelby" & "Kate" > Re: 87 Volvo 740 GL. Has the B230F 8-valve engine. I need to know > what the correct torque value is for the crankshaft (or damper) > pulley bolt. Thanks! According to Volvo: Crankshaft, centre bolt: stage 1, 60Nm (44ft.lb), stage 2, angle tighten 60*.  SignatureThe goal when driving is to miss the maximum number of objects. 280 ft/lbs? Egads, and here I was thinking at first that I had a problem with the camshaft, But yea, I have'ntt been torqueing that crank bolt down anywhere near that much! All I can do is lock the flywheel with a a broom handle or something like that, have nothing special to hold the crank pulley. Thanks all. Geronimo > 280 ft/lbs? Egads, and here I was thinking at first that I had a > problem with the camshaft, But yea, I have'ntt been torqueing that > crank bolt down anywhere near that much! All I can do is lock the > flywheel with a a broom handle or something like that, have nothing > special to hold the crank pulley. Thanks all. Geronimo I've had a helper jam the flywheel with a screwdriver, and (before I got air tools) used a floor jack under the socket handle to loosen and tighten the bolt. It makes me worry about the engine mounts when the front wheels start to lift off the ground, but so far so good :-) Mike >280 ft/lbs? Egads, and here I was thinking at first that I had a >problem with the camshaft, But yea, I have'ntt been torqueing that >crank bolt down anywhere near that much! All I can do is lock the >flywheel with a a broom handle or something like that, have nothing >special to hold the crank pulley. Thanks all. Geronimo eBay 8025433190 "This is a Brand-NEW Counterhold tool that is used to hold the crankshaft pulley on Volvo B230 motors. Used when changing timing belts and crankpulley. This item is equivalent to Volvo Part Number 9995284. Often referred to in shop manuals as Volvo Tool 5284." $40 and free shipping. [no affiliation] __ __ Randy & \ \/ /alerie's \__/olvos '90 245 Estate - '93 965 Estate "Shelby" & "Kate" > > eBay 8025433190 > [quoted text clipped - 10 lines] > '90 245 Estate - '93 965 Estate > "Shelby" & "Kate" purchased one of these tools long ago and though used only a couple of times it is worth it ! Does the job well. > 280 ft/lbs? Egads, and here I was thinking at first that I had a > problem with the camshaft, But yea, I have'ntt been torqueing that > crank bolt down anywhere near that much! All I can do is lock the > flywheel with a a broom handle or something like that, have nothing > special to hold the crank pulley. Thanks all. Geronimo That's the approximate torque for the D24 diesel motor. That much torque on a gas engine will likely snap the end off the crankshaft. D24: crankshaft with damper pulley: center bolt 350 Nm (258 ft.lb) socket head bolts: 20 Nm (15 ft.lb) Bob SignatureThe goal when driving is to miss the maximum number of objects. Then it would surely snap the end of the crankshaft of a diesel motor as well. Crankshaft is made to same toughness standards as for petrol. However you spotted my deliberate mistake well, as I did unthinkingly quote for my diesel engine. All the best, Peter. 700/900/90 Register Keeper, Volvo Owners Club (UK). >> 280 ft/lbs? Egads, and here I was thinking at first that I had a >> problem with the camshaft, But yea, I have'ntt been torqueing that [quoted text clipped - 9 lines] > > Bob > Then it would surely snap the end of the crankshaft of a diesel motor as > well. Crankshaft is made to same toughness standards as for petrol. However [quoted text clipped - 5 lines] > 700/900/90 Register Keeper, > Volvo Owners Club (UK). Not really. The thread engagement length is different as well as the bolt pitch. The VW crankshaft is made by Shrick, I believe, with a much different high density metallurgy than the standard nodular iron crank shaft on the Volvo 4 cyl. Bob SignatureThe goal when driving is to miss the maximum number of objects. Another good reason to go the diesel route, even for those of you who think that diesels suck!! All the best, Peter. 700/900/90 Register Keeper, Volvo Owners Club (UK). >> Then it would surely snap the end of the crankshaft of a diesel motor as >> well. Crankshaft is made to same toughness standards as for petrol. [quoted text clipped - 14 lines] > > Bob |
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