C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Vacuum Lines - 94 LT1

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Old May 11, 2012 | 01:50 AM
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Default Vacuum Lines - 94 LT1

Can someone please take a pic of the vacuum lines on a 94-96 LT1 on the back side of the intake (passenger side around the check valve/pressure reg) including the lines going into the firewall.

Found out that a little critter got under there and apparently had a taste for the vac lines. Some of them are completely eaten away.

Do they make some sort of coupler for vacuum lines or do you have to replace them as a whole solid line?

I own an FSM btw - but would like to see pics to be sure.
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Old May 11, 2012 | 04:16 AM
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Not sure if this will help, it shows the check valve on my 93. The top vacuum line in the picture connects to the fuel pressure regulator, one of the lines coming off the check valve goes to the HVAC system, the other one supplies the cruise control servo.

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Old May 11, 2012 | 09:37 AM
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Originally Posted by toptechx6
Not sure if this will help, it shows the check valve on my 93. The top vacuum line in the picture connects to the fuel pressure regulator, one of the lines coming off the check valve goes to the HVAC system, the other one supplies the cruise control servo.
It helps a lot! Thanks...
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Old May 11, 2012 | 09:49 AM
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You can buy a plastic tube (coupler) from any parts store and join the two lines. I would trim the ends with a razor blade or side cutters.

OR you can buy a box or roll of vacuum hose (again from any parts store) and replace the entire piece. Vacuum hose is not expensive.

Good luck with your repair!

While driving your Vette, please be sure to SAVE the WAVE!
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