1981 Ford F-250 Engine or transmission

DODGENWW

MEMBER
1981 FORD F-250
4.9L
6 CYL
4WD
MANUAL
185,000 MILES

Ok I replaced the clutch in my truck and drove the first day just fine no problems then the second day wen it got up to temperature it started making this loud knocking noise and I have cleaned all the rods the oil pump new pickup screen and tube for the oil pump but still the same thing and wen its cold the noise isn't as loud as wen it warms completely up

Sunday, November 1st, 2015 AT 12:03 PM

7 Replies

MHPAUTOS

MECHANIC
31,937 POSTS

You will have to check the oil pressure and post the results, use a mechanical gauge and send the readings cold idle, hot idle and hot 1500RPM

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Sunday, November 1st, 2015 AT 12:42 PM

DODGENWW

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56 POSTS

C1 60lbs all the way
C2 80 all the way
C3 80 all the way
C4 90 all the way
C5 60 all the way
C6 60idle 70 the other two

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Monday, November 2nd, 2015 AT 12:07 PM

MHPAUTOS

MECHANIC
31,937 POSTS

What is C1 etc

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Monday, November 2nd, 2015 AT 4:03 PM

DODGENWW

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56 POSTS

60 all the way

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Monday, November 2nd, 2015 AT 5:11 PM

MHPAUTOS

MECHANIC
31,937 POSTS

I don't understand, I need pressure readings at idle, hot and cold and at 1500rpm all the way? Just the readings as I need please.

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Tuesday, November 3rd, 2015 AT 1:30 AM

DODGENWW

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56 POSTS

Those are the readings I got

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Tuesday, November 3rd, 2015 AT 3:37 AM

MHPAUTOS

MECHANIC
31,937 POSTS

Sorry your language must be local terms and means nothing to be, I need idle psi, idle hot psi, 1500rpm psi and that's all, in that order, if you cant post what I need I cant help you.

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Tuesday, November 3rd, 2015 AT 12:35 PM