Part # 910-850 910-855
-4-
Modified 03/18
Installation Instructions
9) Loosen the EGR tube nut using a 7/8" or 22mm
wrench.
Figure 9.
Figure 9
10) Loosen the two 10mm nuts at the back of the intake
manifold. Remove the stock EGR tube by rotating
upwards to clear the intake, then counter-clockwise,
Figure 10.1
and
Figure 10.2.
Figure 10.1
Figure 10.2
11) Remove the heater hose clamp and heater hose from
the water neck at the rear of the cylinder head by the
firewall. Inspect the heater hose. Replace the heater
hose and clamp if they are old or in poor condition to
ensure against leaks.
Figure 11.
Figure 11
12) Remove the 12mm nut and bolt retaining the heater
hose water neck at the rear of the cylinder head.
Remove the heater hose water neck and set aside.
Remove the stud from the rear of the cylinder head
(Use double nut method. The other nut can be
sourced from the front thermostat housing see step
12). Thoroughly remove all old gasket material with
a razor blade and clean the mating surface. Take
your time and clean thoroughly. It is helpful to use a
telescoping mirror to clearly see the mating surface.
Be sure that all old gasket material is removed.
Figure 12.
Figure 12
