Help - Removing Y Piece
Help - Removing Y Piece
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Discussion

roseytvr

Original Poster:

1,790 posts

207 months

Monday 15th February 2010
quotequote all
Guys
Just in the middle of some servicing and planning to bash out the pre - cats on a 96 serp 500. Cant work out how these fecking clips come off joining manifold and y piecesilly. To scared to prize or bash them in case I break owt. Any tips please?
Thanks

Johno

8,593 posts

311 months

Monday 15th February 2010
quotequote all
Undo the 10mm nut from the bottom of the clamp completely and remove. If they've been on for a while they'll tend to stick onto the flanges. A light tap with a hammer will usually shift them. Lightly from the side, or use a large flat screwdriver aimed where the bracket meets the flange, again gently. They will tend to 'pop' off and release the pressure.

When you're putting them back on, make sure the flanges are lined up, the brackets are not strong enough to pull in significant differences, you'll need to help them by getting the alignment right. I always smear grease inside the runner of the bracket to help them seat better and seal.

When you're doing them up, go round them with a light hammer tapping them to help them sit down, do not rely on the bolt to take up the slack, you'll break the bolt before you do.

Also consider where you want the bolts to end up, otherwise they can be a real hazard in the engine bay when working on other stuff catching arms etc etc

Marty V8

578 posts

215 months

Monday 15th February 2010
quotequote all
Yep, as Johno says, give 'em a bit of a tap with a hamer (wooden mallet preferred). The clamps wedge the two halves of the joint together, so they are liable to stick a bit when you undo them.

When you re-assemble, you might need a bit of sealant on the two joints. I didnt bother with mine and now it leaks black liquid goo from the passenger side joint when I first start up (water from the exhaust when its cold). Really great on a newly painted chassis crossmember.mad

Johno

8,593 posts

311 months

Tuesday 16th February 2010
quotequote all
I use good old Gun Gum on the flanges and works a treat, but that's without a main cat to worry about bits falling into wink

roseytvr

Original Poster:

1,790 posts

207 months

Tuesday 16th February 2010
quotequote all
thanks guys - will give it a go later

clive f

7,259 posts

262 months

Tuesday 16th February 2010
quotequote all
use a smear of the exhaust assembly paste, the stuff that comes in a toothpaste looking tube, flows very nicely without any problems.

roseytvr

Original Poster:

1,790 posts

207 months

Tuesday 16th February 2010
quotequote all
Thanks guys - off she come with no sweat. wish I could say the same for the manifolds!!

BliarOut

72,863 posts

268 months

Tuesday 16th February 2010
quotequote all
Use a ratchet luggage strap to pull them back into place, saves breaking a £30+ clamp paperbag