Before I pull the intake...
Thread Starter
Instructor
Joined: Mar 2014
Posts: 205
Likes: 0
From: Alpine TX
Before I pull the intake...
Going to try to fix the A/C vents only blowing out the defrost. After reading up on here, looks like I need to start with the vacuum port behind the intake. Since I can't get my hands or eyes onto the parts back there, thinking I will need to pull the intake. Looks easy enough, but wondering if I should get new gaskets before I start.
I'm seeing where guys reuse the old ones.
Any advice before I get started is appreciated. I know about the rear two bolts on the back of the intake. And, the oil pressure switch was replaced not too long ago according to the records from the previous owner.
I'm seeing where guys reuse the old ones.
Any advice before I get started is appreciated. I know about the rear two bolts on the back of the intake. And, the oil pressure switch was replaced not too long ago according to the records from the previous owner.
Instructor
Joined: Sep 2012
Posts: 156
Likes: 9
From: Sprint Car Territory
You may want to get a manual before you start. It gives step by step on how to remove the intake. I did this job last winter and I would not have wanted to try without the manuals. You can PM me if you need any help. But I may not get back to you soon because I will be working 80 hours in the next Monday thru Friday workweek.
The Outlaw
The Outlaw
Thread Starter
Instructor
Joined: Mar 2014
Posts: 205
Likes: 0
From: Alpine TX
You may want to get a manual before you start. It gives step by step on how to remove the intake. I did this job last winter and I would not have wanted to try without the manuals. You can PM me if you need any help. But I may not get back to you soon because I will be working 80 hours in the next Monday thru Friday workweek.
The Outlaw
The Outlaw
Probably better to wait until both parts arrive...
Drifting
Joined: Sep 2009
Posts: 1,719
Likes: 4
From: cinnaminson n.j.
St. Jude Donor '14
Don't pull the intake manifold, yet. Remove the right front wheel and inner fender (or at least pull the back side of it away). That's where the vacuum goes and where a lot of the leaks are.
I had the same problem and that's where it was. If you don't want to do that, you can locate the vacuum line after it comes from the intake. It runs along the firewall and disappears under the battery. Cut it and install a gauge on the engine side, if there's no vacuum, pull the intake and fix it. Otherwise splice the cut and then get into the fender well.
I had the same problem and that's where it was. If you don't want to do that, you can locate the vacuum line after it comes from the intake. It runs along the firewall and disappears under the battery. Cut it and install a gauge on the engine side, if there's no vacuum, pull the intake and fix it. Otherwise splice the cut and then get into the fender well.
Thread Starter
Instructor
Joined: Mar 2014
Posts: 205
Likes: 0
From: Alpine TX
Don't pull the intake manifold, yet. Remove the right front wheel and inner fender (or at least pull the back side of it away). That's where the vacuum goes and where a lot of the leaks are.
I had the same problem and that's where it was. If you don't want to do that, you can locate the vacuum line after it comes from the intake. It runs along the firewall and disappears under the battery. Cut it and install a gauge on the engine side, if there's no vacuum, pull the intake and fix it. Otherwise splice the cut and then get into the fender well.
I had the same problem and that's where it was. If you don't want to do that, you can locate the vacuum line after it comes from the intake. It runs along the firewall and disappears under the battery. Cut it and install a gauge on the engine side, if there's no vacuum, pull the intake and fix it. Otherwise splice the cut and then get into the fender well.
I really would rather not pull the intake except as a last resort.
Thread Starter
Instructor
Joined: Mar 2014
Posts: 205
Likes: 0
From: Alpine TX
Good news. I don't have to pull the intake. As suggested by martysauto, I found the break under the battery tray right where the line enters the wire loom.
All repaired, vents work as intended.
All repaired, vents work as intended.
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Thread Starter
Instructor
Joined: Mar 2014
Posts: 205
Likes: 0
From: Alpine TX
I thought I'd add the info on how I repaired the break. I went to AZ and looked through the rubber hoses they sell. The windshield washer hose inside diameter is a perfect fit to slip over the ends of the broken vacuum line. I was able to slip it on by about 1/4" easy enough without any type of lube.
The parts guy didn't even charge me for the two inch piece.
The parts guy didn't even charge me for the two inch piece.
Burning Brakes
Joined: Aug 2007
Posts: 831
Likes: 2
From: Houston Texas
Going to try to fix the A/C vents only blowing out the defrost. After reading up on here, looks like I need to start with the vacuum port behind the intake. Since I can't get my hands or eyes onto the parts back there, thinking I will need to pull the intake. Looks easy enough, but wondering if I should get new gaskets before I start.
I'm seeing where guys reuse the old ones.
Any advice before I get started is appreciated. I know about the rear two bolts on the back of the intake. And, the oil pressure switch was replaced not too long ago according to the records from the previous owner.
I'm seeing where guys reuse the old ones.
Any advice before I get started is appreciated. I know about the rear two bolts on the back of the intake. And, the oil pressure switch was replaced not too long ago according to the records from the previous owner.
I had to replace the HVAC vacuum hoses on my 2002 Z06 several years ago. FWIW (and it was a tight area), I was able to squeeze my hands in behind the manifold area to install a new vacuum line. So you might want to try.
If you do end up having to remove the manifold, here's my 2 cents:
1) Have a brand new manifold gasket on hand ( it's a pain to stop and run to the dealership or auto parts store in the middle of a job);
2) At least consider installing an oil pressure by-pass kit so you won't have to deal with that issue another time.
Good Luck
Last edited by NatB; Jun 28, 2014 at 09:46 AM.