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What did you do with your GMT400 today...or yesterday....

Spent yesterday evening with my wife's trailbalzer installing all the interior pieces we got from the pick a part yard. Had ordered a new replacement center console lid from flea-bay for $20, installed that along with all of the front AC dash vents and drivers door arm rest. the inside looks complete now. just need to do some repairs on the front seat plastic side panels that house the power seat buttons. the keepers that hold them to the seat brackets have broken off making them hang a bit. There is a steel bracket behind them with holes, I figure I need to get some of those interior plastic push-in pins and drill some holes for them into the plastic panels that should hold them into place.

I want to install a newer style radio so it will have a screen for GPS navigation and a backup camera, but since this thing came factory with a Bose system, XM satellite radio, and on-star, I am finding out that I will need a couple of bypass modules to make that work. one for the ECM and another to bypass the factory Bose amp. it's not so simple as just installing an aftermarket radio on these things!! I think I might just get one of those add on screens to go on the dash somewhere for now. I had installed one of them in her old car due to no aftermarket radios would fit in that dash. it now lives in the old dodge pickup LOL.

I might just borrow it from the dodge since we are taking the trailblazer out to the coast this weekend for a family get-away / fishing trip :)
 
I doubt the on-star even works in this thing. they shut down all the 3G cell networks a couple years ago, not sure if 2006 used the 3G cell towers or if they had 4G connections. Plus if I want it working I have to pay another subscription

I'd rather have someone with a programmer disable that on-star all together anyway. a few years ago there was a high speed chase on the freeway where the cops couldn't catch the guys. they ended the chase by using the on-star system to shut the vehicle down! last thing I want is some sorta device that someone in an office can disable our vehicle by a flick of a switch or be able to track it LOL.
 
Last edited:
dbrannon79 said:
take a kook at the latch "fingers" and see if the black rubber / plastic is still intact or if there are wear marks where the head of the striker is wearing into the slide on the latch. the hinge pin bushing won't help much due to the slight cab tweaking. They help some when not worn but will never remove all of the travel at the latch points.
Click to expand...
Everything is new and intact.
 
Will L. said:
Keeping door latched the entire time with window rolled down, use door frame to force up and down, in and out to feel for movement that might be creating thee sound.

Biggest trick in stopping a sound is a positive id to what it is.
Click to expand...
I’ve lifted the door and you can’t see the play at the hinges. While off-roading, you can see the door moving, or it’s the body flexing.
 
dbrannon79 said:
curiosity has me wondering if a hard plastic would last longer as a bushing than the cheapo bronze pot metal ones! made from ABS or PETG on the 3d printer LOL.
Click to expand...
Ccurrently have high quality bronze bushings from Cunningham Machine. They fixed most of the problem, but not all. I believe the rest is due to the hinge hole being worn. I ordered .02” oversized stainless bushings and pins from Endura Pin. May have to ream the hole a bit to get the bushings in. Once in they are supposed to be lifetime.
 
Too tired and too hot to play with the 3500s AC system.
I was thinking of going to the cabin this weekend but scrubbed that idea.
I’ll get them gauges hooked to the truck Saturday in the cool of the morning and see what the will tell Me.
I will report back.
Also, I was going to take over the sons new to him boat.
It has a 4.3 Mercruiser V6 which to Me is a GM enjun.
It has a shrill buzzer that wont shut down. He tried removing the buzzard unit but then the engine would not start, a jumper wire seemed to be the answer but then it messed with something else.
He needs to find the OP sensor and the temp sensor and replace those.
Maybe that too can happen on Saturday then that boat will be ready to go to the lake and stay.
Taking the boat will be a good test run for pulling loads with my truck now that all systems seems to be go.
Oh yeah, yesterday, ambient temp near 100*F, took the truck for a short test run, on a steep incline at near 80 MPH, RR cylinder had temperature gauge barely went past 195* F and never did touch 200*F mark.
Getting that fuse fully pressed into its socket fixed the running too warm issue in this truck.
 
Big T said:
Ccurrently have high quality bronze bushings from Cunningham Machine. They fixed most of the problem, but not all. I believe the rest is due to the hinge hole being worn. I ordered .02” oversized stainless bushings and pins from Endura Pin. May have to ream the hole a bit to get the bushings in. Once in they are supposed to be lifetime.
Click to expand...
At least our lifetimes
 
jrsavoie said:
At least our lifetimes
Click to expand...
Here is what I bought:

endurapin.com

Full Size Truck OBS 1988 - 1999 (C/K Series, Silverado, Sierra, K5 Blazer, Full Size Van) Door Pin Kit Customizable

1988-1999 OBS Full Size Truck Oversized Bushing Kit "High-durability stainless steel door pin replacement kit. made to fix door sag and worn hinges.”
endurapin.com endurapin.com

OBS 90s Full Size Chevy Tool Steel Oversized Bushing Door Pin Kit Customizable
This includes 1 pin and 2 bushings.
Fits 90s OBS Full Size GM Vehicles
These kits are specifically made for doors with badly worn bushing holes in the hinge plate of the vehicle. Made from strong and abrasive resistant stainless steels, commonly used in aerospace and heavy industrial applications. Engineered and built to withstand a lifetime of abuse. Use the guide below for information on selecting the correct bushings for you.
Standard Size Bushings: These are recommended when there is no apparent wear to the bushing hole. If all of your bushing holes are in good shape we recommend ordering the normal OBS Kit.
.02" Oversized Bushings: These are ideal for holes that are slightly worn where the standard-size bushings would fit loosely into.
.06" Oversized Bushings: These are needed when the bushing hole has been severely worn. In cases where the hole is egg or oval-shaped, we recommend using JB Weld to fill the space around the bushing. This helps create a rigid bond to the bushing from the hinge plate.
We also recommend ordering the oversized bushing that is slightly larger than the worn holes in the hinge plate. This allows you to file, grind, or drill the holes so that the bushing can be tightly press fit into the hole.
Lastly, we recommend inspecting each one of your pins and bushings and ordering the corresponding size bushings. This product menu allows you to piece together just the components you need. This product menu is only selecting one pin at a time, this is done because its likely that all of your bushing holes are not worn all the same. You will need to add 4 pins to your cart for a full kit, or 2 for a half kit (one door).
Oversized Bushings Drill Bit Recommendations:
Small +.02": 1/2" Drill Bit
Small +.06": 17/32" Drill Bit
Large +.02": 17/32" Drill Bit
Large +.06": 9/16" Drill Bit
Note: You may still need to open these holes up slightly with a round file or die grinder. Remove a small amount of material and test fit the bushing constantly. You will want the bushing to fit in tightly.
 
Big T said:
Here is what I bought:

endurapin.com

Full Size Truck OBS 1988 - 1999 (C/K Series, Silverado, Sierra, K5 Blazer, Full Size Van) Door Pin Kit Customizable

1988-1999 OBS Full Size Truck Oversized Bushing Kit "High-durability stainless steel door pin replacement kit. made to fix door sag and worn hinges.”
endurapin.com endurapin.com

OBS 90s Full Size Chevy Tool Steel Oversized Bushing Door Pin Kit Customizable
This includes 1 pin and 2 bushings.
Fits 90s OBS Full Size GM Vehicles
These kits are specifically made for doors with badly worn bushing holes in the hinge plate of the vehicle. Made from strong and abrasive resistant stainless steels, commonly used in aerospace and heavy industrial applications. Engineered and built to withstand a lifetime of abuse. Use the guide below for information on selecting the correct bushings for you.
Standard Size Bushings: These are recommended when there is no apparent wear to the bushing hole. If all of your bushing holes are in good shape we recommend ordering the normal OBS Kit.
.02" Oversized Bushings: These are ideal for holes that are slightly worn where the standard-size bushings would fit loosely into.
.06" Oversized Bushings: These are needed when the bushing hole has been severely worn. In cases where the hole is egg or oval-shaped, we recommend using JB Weld to fill the space around the bushing. This helps create a rigid bond to the bushing from the hinge plate.
We also recommend ordering the oversized bushing that is slightly larger than the worn holes in the hinge plate. This allows you to file, grind, or drill the holes so that the bushing can be tightly press fit into the hole.
Lastly, we recommend inspecting each one of your pins and bushings and ordering the corresponding size bushings. This product menu allows you to piece together just the components you need. This product menu is only selecting one pin at a time, this is done because its likely that all of your bushing holes are not worn all the same. You will need to add 4 pins to your cart for a full kit, or 2 for a half kit (one door).
Oversized Bushings Drill Bit Recommendations:
Small +.02": 1/2" Drill Bit
Small +.06": 17/32" Drill Bit
Large +.02": 17/32" Drill Bit
Large +.06": 9/16" Drill Bit
Note: You may still need to open these holes up slightly with a round file or die grinder. Remove a small amount of material and test fit the bushing constantly. You will want the bushing to fit in tightly.
Click to expand...
I love it when people include that kind of information in.their posts
 
dbrannon79 said:
That's odd. usually the upper bushings go first. wonder if it's just a matter of the cheap pot metal they make them out of nowadays cracking and breaking.
Click to expand...
Well the weight of the door is resting on the bottom hinge and bushings. So when I’m lifting the door, I am unloading the weight off the bottom. It’s not to say the top bushings aren’t loose. I will address both top and bottom with the oversize kit. I will keep the Cunningham Machine bushings for the other doors, some of which have the OEM or Dorman pos bushings.
 
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