Engine - Vibration Felt At 1800-2200 RPM
TSB 09-7-404/20/09
VIBRATION WHILE DRIVING - 1800-2200 RPM
FORD:
2008-2009 Edge
LINCOLN:
2008-2009 MKZ, MKX
This article supersedes TSB 09-5-10 to update the Service Procedure.
ISSUE
Some 2008-2009 Edge and MKX vehicles, regardless of vehicle build date, and 2008-2009 Lincoln MKZ vehicles built between 9/1/2007 and 5/31/2008 or 7/1/2008 and 7/31/2008 may exhibit a customer concern of a vibration under acceleration or while driving between the 1800-2200 RPM range only. In some cases the condition can be felt at the steering wheel and/or the accelerator pedal.
ACTION
Follow the Service Procedure steps to correct the condition.
SERVICE PROCEDURE
NOTE
SOME VIBRATIONS WHILE DRIVING ARE CONSIDERED A NORMAL VEHICLE CHARACTERISTIC.
1. For 2008-2009 Edge and MKX vehicles only perform Steps 6 through 12.
2. For 2008-2009 MKZ, verify the vehicle build date.
a. If the vehicle is built before 9/1/2007, between 6/1/2008 to 6/29/2008 or after 8/1/2008 do not continue with this procedure and follow normal Workshop Manual (WSM), Section 100-04 diagnostics.
b. If the vehicle is built between 9/1/2007 and 5/31/2008 or 7/1/2008 and 7/31/2008 and the condition is present, proceed to Step 3.
3. Check to see if the vehicle is equipped with an intake support bracket. (Figure 1)
a. If the support bracket is present proceed to Step 15.
b. If the support bracket is not present, proceed to Step 4.
4. Remove the cowl panel grille assembly, refer to WSM, Section 501-02.
5. Remove the power steering pressure line bracket to right hand valve cover stud nut. Position pressure line and bracket aside.
6. Disconnect and remove the right hand heated oxygen sensor (H025), refer to WSM, Section 303-14C.
7. Remove the three (3) exhaust manifold shield bolts and position heat shield aside.
NOTE
EXHAUST MANIFOLD REMOVAL IS NOT REQUIRED FOR THIS REPAIR.
8. Install a new intake manifold bracket to the intake manifold and to the cylinder head. (Figure 1)
9. Install the new cylinder head long support bracket bolt and tighten to 16-20 lb-ft (22-27 N.m).
10. Install the new upper intake manifold long support bracket bolt and tighten to 89 lb-in (10 N.m).
NOTE
THE INTAKE MANIFOLD SUPPORT BRACKET BOLT CRUSH SLEEVE CRUSHES IN THE INTAKE MANIFOLD DURING TORQUE. NO ADDITIONAL HARDWARE IS NEEDED.
11. Install the exhaust heat shield. Tighten the three (3) bolts to 89 lb-in (10 N.m).
12. Install and connect the right hand (RH) H025, refer to WSM, Section 303-14C.
13. Position the power steering pressure line bracket to RH valve cover on stud, tighten to 80 lb-in (9 N.m).
14. Install the cowl panel grille assembly, refer to WSM, Section 501-02.
15. For MKZ only install vacuum hose assembly with brake booster check valve, remove and discard original vacuum hose. Additional information can be found in WSM, Sections 206-07 and 206-00.
Parts Block
WARRANTY STATUS: Eligible Under Provisions Of New Vehicle Limited Warranty Coverage
IMPORTANT: Warranty coverage limits/policies are not altered by a TSB. Warranty coverage limits are determined by the identified causal part.
OPERATION DESCRIPTION TIME
090704A 2008-2009 MKZ: Install 1.3 Hrs.
Intake Manifold Bracket,
Includes Time To Remove
And Install Cowl And
Install Improved Vacuum
Hose Assembly (Do Not
Use With 17566A, 17508A,
17526A, 12650D4)
090704A 2008-2009 Edge, MKX: 0.8 Hr.
Install Intake Manifold
Bracket (Do Not Use With
12650D4)
090704B 2008-2009 MKZ: Install 0.3 Hr.
Improved Vacuum Hose
Assembly. (Do Not Use
With 17566A, 17508A,
17526A, 12650D4)
DEALER CODING
CONDITION
BASIC PART NO. CODE
9J444 39
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