Volvo RWD 700 Forum

INDEX FOR 10/2025(CURRENT) INDEX FOR 6/2023 700 INDEX

[<<]  [>>]


THREADED THREADED EXPANDED FLAT PRINT ALL
MESSAGES IN THIS THREAD




  REPLY TO THIS MESSAGE    PRINT   SAVE 

installing boost gauge 700 1992

Good evening BB'ers

I picked up an Issopro boost gauge. I want to install this in my wagon. I did a search here and got quite a bit of info. I just have a few questions on how the all connect.

1 On the back of the gauge the are two metal connectors up on top.I think one is power for the lighting and the other is the ground.Is this right?
2 Now there is also a brass threaded fitting with a little pin size hole in the middle.What is needed here?
3 I know you T off the existing tubing from the stock turbo gauge but do you just cut the tubing and install the tee fitting from the driver side engine compartment or from under the dash?
4 What size is the vacuum hose i need and how long should it be?
5 What are the supplies i will need to do this myself?
6 Did i forget anything? I can get all the supplies at my local autozone/pepboys right?

thanks for everyone's help.

Oh... I want to install the boost gauge first to see what the stock boost gauge is before i buy one of those g-valve/dawes device thingy.








  REPLY TO THIS MESSAGE    PRINT   SAVE 

installing boost gauge 700 1992

You pretty much have it all figured out.... to go point by point...

1. correct
2. You'll need a brass fitting with a barb for your vacuum hose... parts shop or hardware store will have these.
3. Pull the drivers' side kick panel and find the boost gauge line under there. The stock vac line in my car already had a break with a coupler maybe a foot from the back of the cluster... perfect spot for the T.
4. I used 5/32" hose... pretty close to the 4.2 mm Volvo vac hose size. Hose length will depend on where you put the gauge. Go nuts and buy a bunch... it's only 70 cents a foot or so, and you'll use the rest under the hood at some point.
5. You just need the barb fitting for the gauge, vac hose, and a T. Plus a flashlight to see what you're doing under the kick panel. Wiring up the bulb is pretty easy, too.
6. That's it, go for it.

Where are you going to mount your gauge? For me, figuring that out (left side of steering clolumn) was a lot harder than actually plugging in the lines, etc.

Have fun... you'll enjoy the g-valve.

Brian '93 945T







<< < > >>



©Jarrod Stenberg 1997-2022. All material except where indicated.


All participants agree to these terms.

Brickboard.com is not affiliated with nor sponsored by AB Volvo, Volvo Car Corporation, Volvo Cars of North America, Inc. or Ford Motor Company. Brickboard.com is a Volvo owner/enthusiast site, similar to a club, and does not intend to pose as an official Volvo site. The official Volvo site can be found here.