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Special tools required for Injector R&R??

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Old 03-05-2004, 03:56 PM
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Special tools required for Injector R&R??

Do you have to have the "special" tools to remove and replace injectors on these 1998.5-? trucks?
Old 03-05-2004, 07:38 PM
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none needed. Pull the injector lines aside, use a screwdriver against the threads of the injector tubes to pry them out past the o ring. Use one of the valve cover bolts screwed into the injector, put your fist around it and squeeze it up and out. If you find them too tight, just put a socket or a block or something to pry against the head of the bolt, they come right out.
Old 03-06-2004, 12:07 AM
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You might need to use the pry bar method with one of the shorter bolts on #5 and #6 because of the reduced clearance above. Other than that, no worries.

Boyd.
Old 03-08-2004, 09:19 AM
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Thanks guys!!
Old 03-08-2004, 10:17 AM
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Offset (bent) needle nose pliers work very well to grab under the head of the bolt to pop the injectors out. You might need a brass o-ring pick or something similar should one of the copper seals from the base of the injectors decide to stay in the cylinder head. An inch-pound torque wrench is handy to torque the injector hold down bolts (something like 83 inch-lbs as I recall). You may need a 19mm crow's foot to get the back 2 injector lines loose.

The hardest thing I ran across was breaking loose the bolts on the driver's side engine lifting lug to remove it to get to cylinders #5 and #6.

Rusty
Old 03-08-2004, 01:49 PM
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FYI-- The injector lines are 19mm, not 17mm.

If you use a stubby 19mm, you don't need to remove the lifting lug. It will also keep you from overtightening it.

Just use the good-n-tight method and you'll be fine on the injector lines. The injector hold downs don't need much torque at all.

Justin
Old 03-08-2004, 01:54 PM
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Justin,

OK, I fixed it - changed 17mm to 19mm. You just wait - someday you'll be old like me (if you're lucky), and your memory will disappear, too!

Rusty
Old 03-08-2004, 01:58 PM
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Originally posted by RustyJC
Justin,

OK, I fixed it - changed 17mm to 19mm. You just wait - someday you'll be old like me (if you're lucky), and your memory will disappear, too!

Rusty
Jeez, anyone ever hear of a 3/4 wrench? Grind one in half for the back ones.
Old 03-08-2004, 02:04 PM
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Originally posted by Haulin_in_Dixie
Jeez, anyone ever hear of a 3/4 wrench? Grind one in half for the back ones.
I live too close to Sears Hardware. It was a good excuse to pick up a new set of metric crowfoot wrenches!

Rusty
Old 03-08-2004, 04:30 PM
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I think the Snap On man named his new boat after me!
Old 03-08-2004, 09:08 PM
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injector holdown torque 89inlbs
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