Secondary Air

[jfry75]

I am trying to get the intake off and was not sure if there is a specific way to get the these lines undone from the block? I just dont want to break anything when turning the nuts. I have all of the bolts out of the intake and the nuts off the studs that hold the secondary air to the intake. Main reason is replacing the valve cover gaskets.

04 D2-67K miles

 

[baddmojoii]

The secondary air tubes are attached to the stub pipes that go into the cylinder heads. Those stub pipes need to be held while backing the nut off in order not to break the SAI tubes. I recommend spraying penetrating oil on the nut a several times a few hours before you actually want to try to remove it.

 

[brianb883]

3 of the 4 came off with relative ease and a crescent wrench, there was one that wouldn't budge. I sprayed some PB Blaster and it came right off. PB Blaster works wonders, try some.