Pre-Power Stroke Diesel (7.3L IDI & 6.9L) Diesel Topics Only

6.9l pump 180 out?

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Old 07-09-2009, 06:51 PM
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6.9l pump 180 out?

i am thinking that the pump was put on and is 180 out. the shop did this and i am getting tons of white smoke and no power? does this sound like it is 180 out?
 
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Old 07-09-2009, 11:07 PM
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That depends on how they removed the original and then installed the new one.

If the IP drive gear was removed from the cam gear, it could be off a tooth or two up to 180 out.

Everyone see's the four screws holding the IP drive gear cover down, looks easy to remove the IP that way, and suddenly the IP drive gear and cam gear are no longer in time.
 
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Old 07-10-2009, 03:18 AM
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Check out the info on Ziggsters page re realigning the top gear.......

http://www.members.shaw.ca/k2pilot/

http://www.members.shaw.ca/k2pilot/Timing%20article.htm

The timing mark is found on a little plate that is on the front of the engine on the passenger side. The plate is mounted so it is very close to the main pulley on the lower front of the engine which is mounted on the vibration damper. On the side of the vibration damper, is a line, which when lined up with the line marked (O) on the plate, tells you that the #1 piston is at TDC(top dead center) You can see the line on the damper, and it points to the line on the plate with the (barely visible)O mark on it.You'll have to find a way to turn your engine over by hand (Crank/harmonic balancer bolt). Make sure you remove the power wire to the injection pump(so the engine won't start)and then rotate the engine until you can line up the marks.

The engine rotates in a clockwise direction as seen from the front of the truck, and for every 1/4 turn of the engine(crank) each next piston will arrive at TDC. So, When the line on the vibration damper is at the 2 oclock position, cylinders 2 and 5 will be at TDC. When the mark is at the 5 oclock position, cylinders 7 and 6 will be at TDC, 8 oclock has cylinders 3 and 8 at TDC, and back to 11oclock, 1 and 4 will be at TDC.

Cylinder numbers are assigned 1,3,5,7 on the right (passenger USA) bank from front of truck to back, and 2,4,6,8 on the driver's side (USA), front to back. Firing order is 1,2,7,3,4,5,6,8.

OK all the above is true...... to ensure the #1 piston is at TDC compression remove the inspection cover on the oil filler/gear cover. You will see a dowel pin from the IP if it is at 4 oclock that is TDC compression stroke, if it is at 11 oclock that is TDC exhaust stroke.......
 
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Old 07-12-2009, 01:08 PM
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hey thanks for the info this should help me get it done today. sorry about bouncing around posting in diffrent spots and stuff i just started using the forum about a week ago thanks again.
 
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