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How to Delete Brake Vacuum Pump (Video)


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Update:

 

Everything has been great since the Delete, no issues.

 

I still check everything every once in a while, no problems have manifested themselves, Truck is running great

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  • 3 weeks later...

First of all, thank you for the R&D with the vacuum pump delete and for going through with your plan and documenting it for the rest of us. Greatly appreciated!

 

now, some questions regarding crankcase evacuation system :

 

1.a) do check engine codes come up?

1.b) Can you delete/tune those codes out permanently?

 

2) Does your tail pipe get black and smokey after a while? Better than that fouled air being fed back into the engine though I suppose

 

3) Did you drill and weld in at two points for both vents or "T" in to one line?

4) Are check valves necessary to prevent backdraft??

 

5) Could frigid canadian winters have negative effects on evac system? Such as, condensation freezing in line/check valve and pluging it shut, thus causing a pressure build up...

 

Maybe this isn't the right thread for these questions but haven't found concrete answers and begining to bang head on the wall with catch can vs evac debate ... any insight would be greatly appreciated. Thanks

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On 3/24/2021 at 12:20 PM, CANUCK88 said:

First of all, thank you for the R&D with the vacuum pump delete and for going through with your plan and documenting it for the rest of us. Greatly appreciated!

 

now, some questions regarding crankcase evacuation system :

 

1.a) do check engine codes come up?

1.b) Can you delete/tune those codes out permanently?

 

2) Does your tail pipe get black and smokey after a while? Better than that fouled air being fed back into the engine though I suppose

 

3) Did you drill and weld in at two points for both vents or "T" in to one line?

4) Are check valves necessary to prevent backdraft??

 

5) Could frigid canadian winters have negative effects on evac system? Such as, condensation freezing in line/check valve and pluging it shut, thus causing a pressure build up...

 

Maybe this isn't the right thread for these questions but haven't found concrete answers and begining to bang head on the wall with catch can vs evac debate ... any insight would be greatly appreciated. Thanks

Answered on the other Topic you commented on, but i see the points here are different; Happy to be of help!

 

1.- No check engine Lights, the engine does not have any PCV related sensors. Just put the Crankcase evac AFTER the exhaust O2 sensors LOL

 

2.- TailPipe doesnt get dirtier than normal

 

3.- Just 1 point in the exhaust, getting fed by one of the valve covers. I want to make a Y or T to feed it with bolth valve covers but just for symmetry.

 

4.- No, since no exhaust  backdrafts (I thoroughly checked)

 

5.- I dont think so, there is not enough water in the line to cause problems, and if there is, the moment you fire up the truck, heat would take care of any of that and blow it out the exhaust.

 

 

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  • 2 weeks later...

This seems way too simple. My brake booster is acting funny, already had some kind of a recall done on it where the dealer increased pressures. Lately though, especially in low speed traffic, I'm getting the abs activated even though the wheels are not locking up. Thus, pointing me to a soon to fail brake booster. 

 

So basically the steps are: disable 4 cyl mode, cut belt, remove booster, fill holes with plugs and re-route some piping as stated in post 1?

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  • 2 weeks later...

Did something similar, but I teed into the pcv line to keep that function. Kept  the vacuum pump and used two check valves so the stronger source runs the brakes. Run in M5 to stay in v8 mode. No more scary  parking lot.

Edited by Little Yimmy
Updated repair and wanted to keep the post accurate.
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