Summit L4-1468cc 1.5L SOHC (1989)
3.
Use Mopar Parts Cleaner PN 4318037 or equivalent, to clean oil, and carbon residue from the throttle body and intake system. Do not submerse
the throttle body in solvents, gasoline or any other cleaning fluids.
CAUTION:
USE THIS CLEANER ONLY IN A WELL VENTILATED AREA. DO NOT LET THIS CLEANER COME IN CONTACT
WITH YOUR SKIN. RECOMMEND THE USE OF RUBBER OR BUTYL GLOVES. WASH HANDS THOROUGHLY AFTER
USE. AVOID EYE CONTACT. AVOID INGESTING.
4.
Using the DRB II verify the injectors are working properly. Replace them if necessary.
5.
With the air intake plenum and intake manifold removed from the engine, check the intake valves for carbon deposits. If the valves have heavy
deposits (more than a light coating on the valves), the intake valves should be cleaned. The suggested method for cleaning intake valves involves
the removal of the cylinder head from the engine. The cylinder head must be disassembled, and the carbon removed from the valves with a wire
brush.
6.
Inspect the spark plugs for heavy carbon deposits, replace as required.
7.
Install the new Cylinder Head Cover, PN MD168907 as outlined in the service manual.
8.
Install the throttle body, and the intake plenum in the reverse order it was removed, using new gaskets.
9.
Drive the vehicle and verify the condition has been corrected.
POLICY:
Reimbursable within the provisions of the warranty.
TIME ALLOWANCE:
>>Labor Operation No.<<
Clean engine components, throttle body,
intake system, replace valve cover
09-35-01-91 . . . . . . . . . . . . .2.1 Hrs.
Remove cylinder head and clean intake
valves
09-35-01-92 . . . . . . . . . . . . 2.9 Hrs.
FAILURE CODE: 41 - Foreign Material
