This will be the third time it has been repaired. 30K, 58K and now 87K. The tranny squawks during downshifts at about 30mph. It was fixed under TSB
6R75 TRANSMISSION - SQUAWK NOISE DURING
This article supersedes TSB 08-19-8 to update the vehicle model years and remove the production fix date.
Some 2007-2008 Expedition vehicles equipped with a 6R75 transmission may exhibit a squawk type noise during hard acceleration down shifts (4-3), (5-3) and (6-3) downshifts. The noise is produced during the release of the overdrive clutch.
Follow the Service Procedure steps to correct the condition.
Follow Workshop Manual (WSM), Section 307-01B to replace the overdrive friction plates.
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.
1978 F250 Lariat 4x2
2008 Expedition Eddie Bauer 4x2
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