Maintenance Section
-197-
Checking the TMAP Sensor
(G424E/G430E Engine Only)
1.
Verify that the TMAP sensor (F) is mounted
tightly into the manifold adapter (E), with no
leakage.
2.
If the TMAP is found to be loose, remove the
TMAP retaining screw and the TMAP sensor
from the manifold adapter.
3.
Visually inspect the TMAP O-ring seal for
damage. Replace as necessary.
4.
Apply a thin coat of an approved silicon
lubricant to the TMAP o-ring seal.
5.
Re-install the TMAP sensor into the manifold
adapter and securely tighten the retaining
screw.
(1) TMAP sensor
(2) Throttle Assembly
(3) Manifold Adapter
Inspect for Intake Leaks
(G424E/G430E Engine Only)
1.
Visually inspect the intake manifold, throttle
assembly (2), and manifold adapters (3), for
looseness and leaks. Repair as necessary.
Replace PCV Valve and breather
element - Change (LP-Gas,
Gasoline and Dual Fuel Engines)
G424 Engine
G430 Engine
1.
Loosen the hose clamps and remove the PCV
valve.
2.
Assemble new PCV valve and hose.
3.
Tighten the hose clamps
2
1
3
