how many ft/lbs torque the wheel nuts | FerrariChat
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how many ft/lbs torque the wheel nuts

Discussion in '308/328' started by irondogmike, Jan 2, 2009.

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  1. irondogmike

    irondogmike F1 Rookie

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    #1 irondogmike, Jan 2, 2009
    I can't seem to remember or find the thread on how many ft/lbs to torque the wheels nuts,I need to check on the belts and b4 I do that I need to know when putting the wheels back on I know just where they need to be torque down too! And do you know just how much play should be in the belts(water pump,a/c,and the alter. belts)thanks
     
  2. FasterIsBetter

    FasterIsBetter F1 Veteran

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    #2 FasterIsBetter, Jan 2, 2009
    75 ft./lbs.
     
  3. Joe_CT

    Joe_CT Formula 3
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    #3 Joe_CT, Jan 2, 2009
    Not sure on the belts, but the wheels should be 75 ft/lbs (72.3 to be exact, but I round it up to 75).
     
  4. irondogmike

    irondogmike F1 Rookie

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    #4 irondogmike, Jan 2, 2009
    thanks,now I have no reason to get out there and see if the belts are to tight,I get a squell when starting to warm her up,after about 5mins or less it goes away,thinking that the belts are tight and when the belts get warm or hot they lossen up on the pulleys,I'm also thinking that a pulley could be going out thats below the water pump,it has a bearing inside the pulley(two belts are around it)
     
  5. FasterIsBetter

    FasterIsBetter F1 Veteran

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    #5 FasterIsBetter, Jan 2, 2009
    As for belts, AC, water pump/alternator, I usually just tighten them to about 1/4" deflection or less. They should be tight enough that they don't slip/squeal and don't vibrate when in motion, but not so tight that there is no deflection when you press on them with your finger. I've changed so many over the years, I just do it by feel. Hope that helps.
     
  6. irondogmike

    irondogmike F1 Rookie

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    #6 irondogmike, Jan 2, 2009
    it does,thank you,I'm thinking about taking all the belts off,and starting it to see if there's any squell and then I could pen point it to the problem area,but b4 I do all that I'll examine it by eye first,and let you said 1/4 in in play,its raining off and on so I'm not working today,being in construction Calif shut down all cal-trans work,no one wants to solve the budget problem
     
  7. FasterIsBetter

    FasterIsBetter F1 Veteran

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    #7 FasterIsBetter, Jan 2, 2009
    Michael,

    The one with two belts around it is your main crank shaft. That "pulley" is the crank dampener. You better hope that bearing is not going. Sounds to me like it could be your water pump, if it's not just a worn belt. The belts should sit nicely in the grooves of the pulleys, flush with the top of the groove. Look at the belts and see if they look worn or excessively shiney. You may need new belts. If the belts stick up above the top of the grooves, or sit down much below the top, then they are improperly sized and may be slipping, causing the squeal.

    One way to check the source of the squealing is to take a piece of garden hose, maybe 2 ft. long, hold one end to your ear and put the other end near the pulley you suspect is causing the noise. I'd start with the water pump. Start the engine up cold and immediately try to locate the sound with the hose. You'd be surprised how the source of a noise like that can deceive you. The hose method allows you to pinpoint the source.
     
  8. irondogmike

    irondogmike F1 Rookie

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    #8 irondogmike, Jan 2, 2009
    Steve the pulley that I'm refering to is called a water pump pulley,if you go to ricambi's site on 308qv,table 17,part #121659,but I hope its just a belt last may I had a major sevice done,and this noise has happen since then when cold,never b4 the service,I was told its the oil going trough the coolier,I dought that! I did go from Kendall 20-50 to redline 10-30,like you said I won't know till I get in there,its proubly a belt not setted right or worn already,new water pump was also put in last may,but after the 5min or less when warmed up gone and does'nt come back till engine is cold like say 8 hrs or more,this my only demon in the car
     
  9. FasterIsBetter

    FasterIsBetter F1 Veteran

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    #9 FasterIsBetter, Jan 2, 2009
    Ah... Okay. QV. Sorry. I was thinking 2 valve, not QV. On the older cars, the water pump as a single belt pulley, the only double belt is the crank pulley.

    I'd still suspect the water pump. Even more so since it was replaced. No guarantee that the bearing wasn't bad when they installed it, or went shortly afterwards. Not an unheard of situation with these cars. Some of the replacement pump bearings are not very good.

    I'm interested to see what you end up identifying when you get a chance to get in there and up close and personal with the engine.
     
  10. irondogmike

    irondogmike F1 Rookie

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    #10 irondogmike, Jan 2, 2009
    thanks steve,I'll keep you in touch with what I find,It's just getting out there and lifting the car and taking the wheel off and so forth,no else is going to do it for me so here goes,in the next day or so.....lol:)
     
  11. Mike C

    Mike C F1 Veteran
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    #11 Mike C, Jan 2, 2009
    72 ft-lb on the wheel bolts. That's also in your owners manual.
     
  12. irondogmike

    irondogmike F1 Rookie

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    #12 irondogmike, Jan 14, 2009
    Last edited: Jan 14, 2009
    Steve,I had time today to get in there and see whats up with the belts or if thats where the squell's coming from,sure enough its from the a/c belt,that pulley that I was talking about on table 41 part is #19,its adjustable for the a/c belt,boy was it tight even after the car was warmed up,loosen it a bit and I'm happy to so the squell is gone,then went for a drive,picked up my step daughter at the high school she liked that:)
     

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