Quote:
Originally Posted by batchman
That is *really* good to know...
Thanks,
- Jeff
|
Not to Hijack this thread which
Shayne will receive 1991 Stock Injector Housing on Wed Sep 24th...........but figured I should describe some detail since
improper removal of the Coolant Manifold Bolts is often what damages Injector Housings. And this procedure below can be used without removing Injector Housings from Engine
If
batchman is referring to "HEAT" .....yes....apply Heat to each area of the Injector Housing/Coolant Manifold for each bolt separately. I use Acetylene Torch. Just a bit of heat around the area and try the bolt....then a bit more heat and try bolt again.
Apply HEAT to the Coolant Manifold area for each bolt in addition to the Injector Housing bolt threaded area because many times the resistance to torque is the fact the length of bolt through the Coolant Manifold is frozen with corrosion within the Coolant Manifold bolt hole. After each bolt is removed, you may use a paper towel dipped in cool water to get the area just heated cooled down quickly before heating up the area for the next bolt.
Then on to next bolt. The secret to removing the Torx-30 x 50mm bolts is to apply torque WITHOUT STRIPPING the Torx.
Never Strip the Torx.
Just apply torque on the Torx-30 and keep upping the heat and do it quickly so you do not Heat up the Whole Injector Housing Gasket to Head too much.
Then......follow up with a 6mm x 1.00 tap into the Injector Housing for each of the Torx-30 bolts. I always replace he original (often corroded bolts) with
Jerry's Allen Head Coolant Outlet Pipe Bolts Jerry also has these bolts in Stainless Steel Allen Head.
See How to Remove Injector Housing Coolant Manifold Torx-30 Bolts