Brother had one after 16,000 km they pulled the engine on warranty . Replacement wiped out the top end in 30,000 km after they fixed it . He sold the truck but got nailed on depreciation hard.
Click Click Boom!!!!!
Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Goodysnap, May 14, 2020.
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Last edited: Jun 25, 2020
magoo68, spsauerland, Shawn2130 and 1 other person Thank this. -
The red/maroon managers suburbans all had 7-900 000 when I left, and they were still running.
Firehall had a managers suburban. Low miles but they never never shut it off. I put a fuel pump in it every year and half, 10 000 hrs. I had to have the heads done at 27000 hours. You could see light thru the intake valve seats. When i left it had 47 000 hours on it.
Gm had a 5yr 160km warranty. Only about 8760 hours in a year.Last edited: Jun 26, 2020
Reason for edit: more infoShawn2130, spsauerland and AModelCat Thank this. -
To my knowledge, the 4.8L and 5.3L shared the same block, just more stroke to make it a 5.3L?Shawn2130, spsauerland and Flint1 Thank this. -
There was the odd camshaft failure, but proper maintenance they are hands down the most durable on the market.Shawn2130, 650cat425, spsauerland and 2 others Thank this. -
Well, the international dump truck returns to the shop. Welded engine mount broke. Engine flops down in the frame rail and lands on the bottom part of the rail.
Clutch no longer works as the linkage is being pulled, keeping it released.
Both mounts have been welded at a professional shop as it’s heat treated.
First was the driver side, welded that one, got a few loads done, then passenger side breaks.
Welded passenger side. Got 2 more loads, the driver side breaks again.
That’s it. I’m making my own mounts.
So far, this time I road tested the truck.
I was not able to before because the truck was needed ASAP.
Drove a hour. No issues, backed up a steep hill, worked the clutch and bump the throttle while the truck was loaded up with 21 metric tons of sand.
No feel of play from the transmission, all good.
Drove for the first time today hauling for a customer. Nothing broke. Finally.Attached Files:
autopaint, pushbroom, 650cat425 and 1 other person Thank this. -
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Heavier plate. I would double the thickness or as thick as you have room for.
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The plates I used are thicker. I think 5/8 thick.
The original mounts was around 1/2” thick or thinner.
I was worried about going too thick and having clearance issues. But these fit perfectly. Holes were perfect. No modifications required. Just bolt in both the first time.Goodysnap, pushbroom, Flint1 and 1 other person Thank this. -
Also a def icicle.
Itsbrokeagain, autopaint, Flint1 and 8 others Thank this.
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