Tonyrodz's Tahoe Build Thread

adventurenali92 · Nov 9, 2024

A few years back I had a leak at the master cylinder that was pretty bad. But we couldn’t tell if it was leaking from the master cylinder side or the hydro boost side. Close mechanic friend suggested I replace both since there was no point in replacing one only to find the leak was coming from the other and have to do it all over again so I went ahead and did both MS and hydro post unit and it hasn’t leaked since. I’d imagine if you’re in there to replace a master cylinder if that’s what’s leaking, you may as well do the hydro boost upgrade since it all has to be part anyways.

Rocket Man · Nov 11, 2024

Check all your brake lines front to back, look for any pinhole leaks- if there’s any, there will be evidence of brake fluid. If there’s a pinhole in a rusted line you’ll lose pressure slowly while holding the pedal down. It’s a good safety thing to do in the rust belt. Good to see you back in this thread @Tonyrodz !

pwtr02ss · Nov 11, 2024

My s10 did some weird braking shit a few years ago. I replaced everything. It turned out to be the ABS module. They are hard to find and expensive, so I just deleted it with factory parts from a square body s10.

strutaeng · Nov 11, 2024

...I was thinking of saying to pull the abs fuse to rule out the EBCM. Probably still worth a shot.

The more things you can rule out, the better chances of finding the issue.

Tonyrodz · Nov 11, 2024

strutaeng said:
...I was thinking of saying to pull the abs fuse to rule out the EBCM. Probably still worth a shot.

The more things you can rule out, the better chances of finding the issue.

Ever since I put in the new hub(non oem) I had messed around with the abs sensors on both sides. At the time I didn't know an aftermarket hub uses it's own sensor, and it won't take an oem sensor--so I don't have a sensor on that side--so my abs hasn't worked since.

89Suburban · Nov 11, 2024

Tonyrodz said:
Ever since I put in the new hub(non oem) I had messed around with the abs sensors on both sides. At the time I didn't know an aftermarket hub uses it's own sensor, and it won't take an oem sensor--so I don't have a sensor on that side--so my abs hasn't worked since.

First I heard of this, no schist?

Tonyrodz · Nov 11, 2024

89Suburban said:
First I heard of this, no schist?

I planned on messing with the sensors but never did. We die like real men--my airbag light is on too.

strutaeng · Nov 11, 2024

Interesting. I had never heard of that either.

I've actually never replaced hubs. I've rebuilt engines, transmissions and regeared axles...but never done a hub job.

Tonyrodz · Nov 11, 2024

strutaeng said:
Interesting. I had never heard of that either.

I've actually never replaced hubs. I've rebuilt engines, transmissions and regeared axles...but never done a hub job.

If you ever do be glad you're not in the rust belt! Ask @89Suburban .

Tonyrodz · Dec 7, 2024

Well, I bench bled the master cylinder the other day, got all the air bubbles out. Installed it today--wasn't able to bleed the brakes yet--but the damn pedal still goes to the floor, and it barely stops. Same exact thing it did before changing the mc. Gonna bleed them tomorrow. I really hope that'll finally fix it. Anyone have any ideas? It's not leaking at any of the 4 calipers--or anywhere else that i can see. Everything is dry.

Tonyrodz's Tahoe Build Thread

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