2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

sorry but another vacuum line question

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Old May 18, 2004 | 08:49 PM
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sorry but another vacuum line question

i do have a picture but it is not letting me post it so i will try to describe the line. There are 4 metal line behind the motor right above the down pipe. 3 lines continue around the passenger side of the motor. 1 line has a 45 degree bend towards the rear of the car. I have no line attached here and dont know where it is supposed to go. Any help will be wlcome. I will keep trying the picture. thanks.
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Old May 18, 2004 | 09:25 PM
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A pic would help here..
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Old May 18, 2004 | 09:59 PM
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Are you talking about the nipples on the back of the throttle body? From top to bottom: top goes to sec. air bleed and second nipple to primary air bleed, 3rd to oil injectors and bottom to brake booster. You need to remove the upper manifold to check if these are hooked up.
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Old May 18, 2004 | 10:48 PM
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nah...i think hes talking more about the metal rats nest. 3 of them go to the acv and i want to say the other one goes to the big round thing that is connected to the manifold. that has the banjo bolt and such? i forget what its called. does that sound right to everyone? or its for the egr

actually is it a turbo or no?


Last edited by Husemoller; May 18, 2004 at 10:58 PM.
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Old May 19, 2004 | 12:24 AM
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You have a FSM?
Go to www.iluvmyrx7.com and look at the vacuum diagram.
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Old May 19, 2004 | 01:01 AM
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From: fresno, ca
i will post a picture later. it won't let me post pictures. it hasn't worked all night.
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Old May 19, 2004 | 03:28 AM
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If it's a turbo, it's the vac line for the twin-scroll actuator.
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Old May 19, 2004 | 09:22 AM
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yes it is a turbo. im so angry the server will not let me post a piture. i have been trying since 5:00 yesterday afternoon.
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Old May 19, 2004 | 11:06 AM
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Originally posted by cjbechtel
yes it is a turbo. im so angry the server will not let me post a piture. i have been trying since 5:00 yesterday afternoon.
Simple fix: go to the OTHER site and post your picture on its AREA 51. Then copy the location and post that location with your next post.

Even better. Disregard anything you read on this site. Get your fsm out and the FUEL section. Buy a good cigar. Go to each solenoid and pull the output/input hose of each one, one at a time. Blow smoke into each hose one at a time and see where the smoke exits.

EXAMPLE: go to the EGR solenoid. Blow smoke into the hose. See which metal line it exits. That nipple where the smoke exits should have a hose going to......the EGR valve.

The diagrams/schematics that will be posted stating *HERE IS WHERE THE VAC LINES GO* don't and won't cut the mustard. You as an individual need to determine where each metal line goes and WHY. Once found, either make a diagram of your own or MARK each line as to what it is. Maybe color coding each metal nipple for future reference.
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Old May 19, 2004 | 07:34 PM
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From: fresno, ca
ill see what i can do. the pictures will not post anywhere. i have done it before but now it wont work. Oh well. im going to pull apart a bunch of stuff in a couple days to replace lines, perhaps i will find where that line goes.
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Old May 19, 2004 | 09:28 PM
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Originally posted by NZConvertible
If it's a turbo, it's the vac line for the twin-scroll actuator.
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Old May 19, 2004 | 10:57 PM
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Originally posted by NZConvertible
If it's a turbo, it's the vac line for the twin-scroll actuator.
Yes what he said! hehe
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Old May 20, 2004 | 01:19 AM
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From: fresno, ca
performance loss?
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Old May 20, 2004 | 01:26 AM
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Increased turbo lag = slower acceleration from low revs.

Last edited by NZConvertible; May 20, 2004 at 01:29 AM.
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Old May 20, 2004 | 01:51 AM
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From: fresno, ca
i will look into that. thanks, it seems a little slow.
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Old May 20, 2004 | 02:02 AM
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From: fresno, ca
double post
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Old May 21, 2004 | 08:11 PM
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From: fresno, ca
does the j-spec motor have an EGR?
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Old May 22, 2004 | 12:19 AM
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No.
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Old May 22, 2004 | 12:27 AM
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From: fresno, ca
thats what that vacuum line was for but i have no EGR. Problem solved.....i guess
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