replacing AHC globes/accumulators (2 Viewers)

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Trust the process from impex.

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PADDO said:
Here's something I’ve provided to others:

I've done the changeouts two ways: combined with a full bleed and fluid replacement and I've tried a "low fluid loss method". You could probably combine both methods too. Have you got your 36mm ford fan clutch wrench from auto zone and a spare can of fluid?
Method 1. Last globe changeout I did I dropped it to L, engine OFF, bleed all 5 bleeders down to the point where fluid stops flowing (total about 1 liter) so the truck is sitting on the bump stops and then sucked out the reservoir and dumped in a full can of fresh fluid as per my quick and easy 1 can method. So you've got truck on bumps, no pressure behind any globes and a full reservoir. Unscrew old and replace the new globes, you can try and put a bit of fresh fluid in the throats of each globe but it just spills out really, but do wet the O ring with fluid. There is some spec for globe tightness but I just tighten them up and give them a bit of a nudge. After all the fan clutch wrench is 13 or 14 in long so you've got plenty of leverage there. I guess I tighten them to maybe 40 ft lbs? So when you've done the four globes start her up and it will recharge everything and then raise her to N. The fluid level in the reservoir should be a bit above max. Turn her OFF and give each corner a quick bleed, just an ounce or three till there are no bubbles. Start her up again and confirm the fluid level is good, if the level is a bit over max is ok too and you're done.
The other low fluid loss way I've done it is:
Vehicle off, at N height and jacked up the front so both front wheels are off the ground. Crack a front bleeder to relieve pressure (both sides will depressurize as they are hydraulically connected) then spin off/spin on the new globe after wetting the o ring with fluid. Move over to the other side and repeat, crack the bleeder just to make sure there is no pressure but it'll be fine. Tighten the front up, drop her back on the ground and then do the back the same way, both wheels off the ground, relieve pressure and spin off/spin on the new. Keep approximate track of just how much fluid you've drained at each corner and add that much fresh back into the reservoir, plus a cup or two for bleeding each corner. You won't bleed that much out with the wheels off the ground and the shock actuators at full extension. On the ground start her up and give each corner a bleed till no bubbles. I try and keep track of how much I'm bleeding out so I don't run the risk off getting too low in the reservoir. A quick confirmation check bleed at the height accumulator is probably worth it too. Hope this helps.
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Just did your first method tonight. All 4 globes. Went from 3 graduations to 12-14. Different truck
 
My IMPEX order was delivered today. Was scheduled for tomorrow delivery so FedEx got it here a day early. That was 13 days from order date. Went out and sprayed PBBlaster on the bleeder valves and nut on the globes at lunch today 😀 gotta feeling I'm going to be doing this when I get home
 
BigGreenLX said:
My IMPEX order was delivered today. Was scheduled for tomorrow delivery so FedEx got it here a day early. That was 13 days from order date. Went out and sprayed PBBlaster on the bleeder valves and nut on the globes at lunch today 😀 gotta feeling I'm going to be doing this when I get home
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what method are you going to do? I did praddo or Paddo's low fluid loss steps since I had already bled the AHC 3 times last month before realizing the globes were shot. I am not mechanically inclined and I was able to do it in about 4 hrs start to finish. I was covered in hydraulic fluid, dropped a globe on my face with my head resting on the concrete, possibly broke a finger, but man what a difference. Literally if you can turn a screwdriver and read at a 4th grade level, anyone can do this. I have a feeling you are way better at wrenching than me.
 
halbeezy said:
what method are you going to do? I did praddo or Paddo's low fluid loss steps since I had already bled the AHC 3 times last month before realizing the globes were shot. I am not mechanically inclined and I was able to do it in about 4 hrs start to finish. I was covered in hydraulic fluid, dropped a globe on my face with my head resting on the concrete, possibly broke a finger, but man what a difference. Literally if you can turn a screwdriver and read at a 4th grade level, anyone can do this. I have a feeling you are way better at wrenching than me.
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Ah sometimes I am and sometimes it seems like nothing comes easy or goes right so we'll see. I'm doing the first method where you drain all 4 and replace then suction out the reservoir and refill then bleed all 4 again for air bubbles
 
BigGreenLX said:
Ah sometimes I am and sometimes it seems like nothing comes easy or goes right so we'll see. I'm doing the first method where you drain all 4 and replace then suction out the reservoir and refill then bleed all 4 again for air bubbles
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pretty sure that's the same way I did it, I dropped the AHC to L, and also bleed the height actuator or accumulator thing on the drivers side. I bled 5 things all together that's all I remember lol

I did Method 1 below

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halbeezy said:
pretty sure that's the same way I did it, I dropped the AHC to L, and also bleed the height actuator or accumulator thing on the drivers side. I bled 5 things all together that's all I remember lol

I did Method 1 below

View attachment 2723822
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Yeah that's what I'm planning to do. Just leaving work and the Lexus said 100 degrees 😳
 
BigGreenLX said:
Yeah that's what I'm planning to do. Just leaving work and the Lexus said 100 degrees 😳
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im excited for you. Let me know how it goes. I will tell you not a single one of my old globes failed the pencil test. The diaphrams were all still visibly in place. I got no foaming crap coming out or anything. At first I was like ohh crap, something else is wrong, it's not the globes. But than I drove it and did the graduation test and was like ohh nevermind, problem solved :)
 
halbeezy said:
im excited for you. Let me know how it goes. I will tell you not a single one of my old globes failed the pencil test. The diaphrams were all still visibly in place. I got no foaming crap coming out or anything. At first I was like ohh crap, something else is wrong, it's not the globes. But than I drove it and did the graduation test and was like ohh nevermind, problem solved :)
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Oh wow, I would've been thinking the same thing
halbeezy said:
im excited for you. Let me know how it goes. I will tell you not a single one of my old globes failed the pencil test. The diaphrams were all still visibly in place. I got no foaming crap coming out or anything. At first I was like ohh crap, something else is wrong, it's not the globes. But than I drove it and did the graduation test and was like ohh nevermind, problem solved :)
Click to expand...
Oh man, yeah I'd have been thinking the same thing. I am still currently getting 7 or 8 graduations but at 347k and my rear end feels every bump im just gonna do it now. Fingers crossed 🤞
 
BigGreenLX said:
Oh wow, I would've been thinking the same thing

Oh man, yeah I'd have been thinking the same thing. I am still currently getting 7 or 8 graduations but at 347k and my rear end feels every bump im just gonna do it now. Fingers crossed 🤞
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It's going to work. you'll love it
 
I'm waiting on a 35mm wrench and will be doing mine this weekend. Anyone had to replace the shocks as well? I "only" have 157K so I'm hoping the shocks will last a while longer.
 
Moderator said:
I'm waiting on a 35mm wrench and will be doing mine this weekend. Anyone had to replace the shocks as well? I "only" have 157K so I'm hoping the shocks will last a while longer.
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mine were fine, not a sign of a problem at 205K on an 00'
 
Ordered on July 2nd but they processed it today. Got a message back saying they wouldn’t arrive until 7/27. Had to acknowledge the new date.

So far I wasn’t charged shipping. When did you guys get the shipping charge? Seems odd but might be because of the delay to the end of the month. Assuming I’ll get charged once they have the product in hand and ready to ship to me.
 
Well I managed to turn it into a 2.5hours plus including all new bleeder valves and nipple caps.
I never had to use the chisel but a couple of the globes needed some serious tugging. The biggest issue I was having was getting the new globes lined up with the threads. It was quite ridiculous on the 2nd and 3rd one but the last one was the easiest. Oh yeah I did also manage to get properly drenched in fluid while bleeding the accumulator pump thing when my hose popped off.
Rides better for sure especially in the front.
Just another item on the list checked off😁 Now onto ball joints and getting my window working properly
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