[schulte]

I just had injectors done on my truck at ~100,000 and when looking under the hood it seems as though they failed to reinstall a bleeder screw or soem sort of bolt on the top of the t-stat housing; there's a threaded hole that was never open before, and it appears as though a bleeder screw or bolt should go there. I've had some issues with low coolant, but after adding some, it seems to have worked itself out. Anyone know what goes there?

 

[Timmy2500]

There are 3 or 4 bolts on the outter rim of the housing and 1 on the top in front on mine, I always thought it was a bleeder screw of sorts but I do have on there

 

[ShumDit]

Yes, my LB7 has a bolt in the top of the housing. IIRC its purpose was detailed in the owners manual. I fail to understand how one can go very far w/o it in place ~

 

[schulte]

Attached is a picture of the bolt that I believe is missing. I'll have to go check my truck and see if that's the one, but I'm pretty sure the one I have circled is missing. I drove the truck over 600 miles before noticing this, and it seemed to have no problems.

 

[mvnvltn]

The one with the X is the bleeder. The one you seem to be missing is for a wiring harness bracket. Try looking around see if the braket is hanging off the harness.

 

[schulte]

The one with the X is the bleeder. The one you seem to be missing is for a wiring harness bracket. Try looking around see if the braket is hanging off the harness.

Thanks for the info, I'll check ASAP. I find it interesting that the technician was skilled enough to remove valve covers, removed injectors, replace with new injectors, replace all the gaskets, re-attach all the lines, prime the system, get the engine to fire, and make the truck run smoothly again, but failed to re-attach a braket requiring one bolt. I'm sure its not an issue of competence, probably just an oversight, but it's slightly unnerving considering even small oversights can cause significant damage.

 

[mvnvltn]

Sometimes those guys just get too far ahead of themselves.:agreed: