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Thread: What is the quickest way to determine if the oil pump shaft broke.

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    Admin- "Alexandria" Ken... Comes W/4 Car Garage Turbo Mopar Staff GLHSKEN's Avatar
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    What is the quickest way to determine if the oil pump shaft broke.

    Yes the guage reads zero. It is parked...
    Ken Adler....
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    See me ride out of the sunset... Turbo Mopar Staff BadAssPerformance's Avatar
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    Re: What is the quickest way to determine if the oil pump shaft broke.

    Doh! unfortunately on a T-III theres no distributor to pull to check!

    With all the I-shaft problems beouple have had (remember Clark swapping one in the lot in his Spirit at SDAC last year?) I'd pull the shaft to be sure.

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    Admin- "Alexandria" Ken... Comes W/4 Car Garage Turbo Mopar Staff GLHSKEN's Avatar
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    Re: What is the quickest way to determine if the oil pump shaft broke.

    Is there clearance to pull the shaft with the engine in the car?
    Ken Adler....
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    Supporting Member Turbo Mopar Contributor "Top Fuel" Bender's Avatar
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    Re: What is the quickest way to determine if the oil pump shaft broke.

    Quote Originally Posted by GLHSKEN View Post
    Is there clearance to pull the shaft with the engine in the car?
    I changed it in my GLHS in the car
    wouldn't see why a bigger engine bay and a TIII would be different
    change the bearings too
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    Re: What is the quickest way to determine if the oil pump shaft broke.

    Quote Originally Posted by BadAssPerformance View Post
    Doh! unfortunately on a T-III theres no distributor to pull to check!

    With all the I-shaft problems beouple have had (remember Clark swapping one in the lot in his Spirit at SDAC last year?) I'd pull the shaft to be sure.
    Yikes ! I own six TM's and don't have aux shaft problems *yet*... Is it because I run 70-75 oil press ? And yes my T-III also runs this much psi with the small aux shaft gear.

    +1 everything concerning the aux shaft can be serviced in the car 8 or 16 valve. I made a mandrel to knock the bearings in/out for fun. You may have to cut a little chunk off the a/c bracket to get the gear off if it's an 8 valve. I recommend Durabond bearings as they are machined out of round stock rather then the common flat sheet metal rolled ones.

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    Hot Certified Christians at TD! Turbo Mopar Staff Directconnection's Avatar
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    Re: What is the quickest way to determine if the oil pump shaft broke.

    Ken, was this the original pump,shaft, of the TSB replacement one?

    We really need a good fix for this.....

    Larger OD gear, balance shaft delete, NOT a melling pump, (but stock) maybe cryo the shaft/gears, etc...
    Quote Originally Posted by 22mopar
    have a look at my feedback on the forum. all positive.

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    turbo addict
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    Re: What is the quickest way to determine if the oil pump shaft broke.

    Remove the oil pressure sending unit, disconnect the cam/crank sensor, crank it over. If oil squirts out under pressure chances are it's ok. If all you get is a dribble or nothing at all, it's likely screwed. Changing shafts in the car is certainly possible. You may need to remove the passenger mount and lower the engine a tad, but it's not overly difficult. If you do the bearings get the right tool it is too easy to screw them up installing them without it.
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    Super Moderator Turbo Mopar Staff 135sohc's Avatar
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    Re: What is the quickest way to determine if the oil pump shaft broke.

    Quote Originally Posted by TurboJerry View Post
    Yikes ! I own six TM's and don't have aux shaft problems *yet*... Is it because I run 70-75 oil press ? And yes my T-III also runs this much psi with the small aux shaft gear.

    +1 everything concerning the aux shaft can be serviced in the car 8 or 16 valve. I made a mandrel to knock the bearings in/out for fun. You may have to cut a little chunk off the a/c bracket to get the gear off if it's an 8 valve. I recommend Durabond bearings as they are machined out of round stock rather then the common flat sheet metal rolled ones.
    Do you have a p/n for those bearings ?

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    Admin- "Alexandria" Ken... Comes W/4 Car Garage Turbo Mopar Staff GLHSKEN's Avatar
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    Re: What is the quickest way to determine if the oil pump shaft broke.

    Thanks for the quick replies.. Car went less than 1/2 mile without pressure dropping the pan now...
    Ken Adler....
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    Hot Certified Christians at TD! Turbo Mopar Staff Directconnection's Avatar
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    Re: What is the quickest way to determine if the oil pump shaft broke.

    Quote Originally Posted by GLHSKEN View Post
    Thanks for the quick replies.. Car went less than 1/2 mile without pressure dropping the pan now...
    Only way to do it.

    1/2 a mile is still kinda a long time with no oil pressure....

    If it were me, I'd inspect the rod/mains.... I know it's a sucky thing to do..
    Quote Originally Posted by 22mopar
    have a look at my feedback on the forum. all positive.

    Steve

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    Admin- "Alexandria" Ken... Comes W/4 Car Garage Turbo Mopar Staff GLHSKEN's Avatar
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    Re: What is the quickest way to determine if the oil pump shaft broke.

    Pulled PAN Thank you JT for the ph call... oil pump teeth stripped. Have NEW int shaft, have pump from cindy (hope not a melling). Only metal is the teeth chunks. Oil pick-up screen clean.
    Ken Adler....
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    turbo addict Pat's Avatar
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    Re: What is the quickest way to determine if the oil pump shaft broke.

    Quote Originally Posted by GLHSKEN View Post
    Pulled PAN Thank you JT for the ph call... oil pump teeth stripped. Have NEW int shaft, have pump from cindy (hope not a melling). Only metal is the teeth chunks. Oil pick-up screen clean.
    I'd still check the rod and main bearings...

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    Admin- "Alexandria" Ken... Comes W/4 Car Garage Turbo Mopar Staff GLHSKEN's Avatar
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    Re: What is the quickest way to determine if the oil pump shaft broke.

    I hear you...

    Damn int shaft pully does not want to come off... Suggestions?
    Ken Adler....
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    turbo addict Pat's Avatar
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    Re: What is the quickest way to determine if the oil pump shaft broke.

    I'd tap it with a hammer in. Sometimes that breaks the "fit" and makes it possible to shimmy it off.

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    Admin- "Alexandria" Ken... Comes W/4 Car Garage Turbo Mopar Staff GLHSKEN's Avatar
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    Re: What is the quickest way to determine if the oil pump shaft broke.

    Quote Originally Posted by Pat View Post
    I'd tap it with a hammer in. Sometimes that breaks the "fit" and makes it possible to shimmy it off.
    Pulled right off... Big thankee... Pulled valve covers... No metal up top.
    Ken Adler....
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    Re: What is the quickest way to determine if the oil pump shaft broke.

    ....this is all you need!

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    Re: What is the quickest way to determine if the oil pump shaft broke.

    OK Tried to Hold timing intact....new int shaft in.. New pump in... Missed the timing... Sent it off to the shop to have it timed.... So close, she tried to fire.
    Ken Adler....
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    Re: What is the quickest way to determine if the oil pump shaft broke.

    Quote Originally Posted by Directconnection View Post
    We really need a good fix for this.....
    Yep ... have to wonder if the oil pressure is just too high, stressing the pumps out. Not sure how you could determine that though .. but if that was part of it, opening the clearances (mains/rods) a little could take some of the load off the pump.

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    See me ride out of the sunset... Turbo Mopar Staff BadAssPerformance's Avatar
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    Re: What is the quickest way to determine if the oil pump shaft broke.

    Glad it dont sound too bad Ken!

    JT
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    Re: What is the quickest way to determine if the oil pump shaft broke.

    Quote Originally Posted by puppet View Post
    Yep ... have to wonder if the oil pressure is just too high, stressing the pumps out. Not sure how you could determine that though .. but if that was part of it, opening the clearances (mains/rods) a little could take some of the load off the pump.
    Oil pressure has nothing to do with it, mines at 80 psi cold, 25 psi hot at idle, 75 psi hot at 2500 rpm.

    I am running a custom large int shaft gear though, I really need to bug my machinist to make more.

    Sorry to hear Ken, at least it happened close to home.

    Maybe try the idler pulley mod, help with some of the timing belt resonance.
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