changing injectors??

[h17och]

all of um

 

[Robbie C]

Reviving an old post; I'm changing my screw-in seats in the inlet manifold but can't find a tool big enough to do it??

Looks like it needs a ~20mm allen?

Has anyone else done these lately and if so what with/how?

 

[-pseudonymous-]

Ive got a sneaky feeling its a 19mm allen key you need Robbie. Just be careful removing the old seats as they are prone to shattering when you undo them. Your probably best off using a 19mm hex bit to use on a rachet although i just made do with a normal allen key. Also you might find the old seats unscrew easier if you run the car before hand to warm the inlet manifold up.

EDIT: Be careful not to cross-thread the new ones when screwing them back in as this is easily done.

 

[Robbie C]

Cheers Ollie. The old ones were taken out in one piece when I had the inlet mani powder coated last week and they look to be OK but I've already got some new ones on order as I hear theses are prone to leaking boost.

I'll be using some silicone sealant to help put them back in which I bought to seal my baffled sump on

 

[ian_cupra]

shouldnt need any sealant mate, i never have, not leaks either, they are such a tight fit

 

[SEATCOOBER]

a long spark plug undoer gets the seats out a treat thats what i used!!

 

[h17och]

they do need sealing.

do a boost test after

find a19mm headed bolt.fill the shank up with nuts and tighten them.then use a 19mm socket and ratch on thenuts and use the head of the bolt in the injector seats to undo them

 

[Robbie C]

Ta Hooch - after I was unable to find a 19mm allen anywhere yesterday I figured a hex bolt would be the next best thing

 

[-pseudonymous-]

What did you use to seal your injector seats H17och? Not sure what Seat use....

 

[SEATCOOBER]

i used locktite thread lock on mine!!

 

[chrisbond69]

reviving this post can anyone tell me what the part number for the seat sealent is or if loctite could be used as i can get loctite free from work

 

[Bolland]

I think someone ssaid you can just use some PTFE tape. One of my injectors is leaking, the guy who had it before me swopped them for TT injectors i think, could this be the reason why my pressure gauge is showing -30 when idling?

 

[Robbie C]

Mine are secured in with PTFE tape and have held fine