firewall crack in engine comparment - Ford Truck Enthusiasts Forums



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firewall crack in engine comparment

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Old 01-31-2011, 06:32 PM
cdat81986 cdat81986 is offline
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firewall crack in engine comparment

88 f250 5.0 4x4 5 speed

i noticed the plate in the engine compartment around the master cylinder seems to have detached from the firewall. the clutch pedal wont return to the top of its stroke. i checked the clutch rod and bushing both are still ok. when i press the clutch i can see the plate get pushed even further away from the firewall.

do these reinforcement kits correct the plate detachment in the engine compartment?

can i weld the plate back to the firewall??

someone who had dealt with this before please help!!!!
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Old 01-31-2011, 06:38 PM
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thechief66 thechief66 is offline
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This used to be a common problem, and Ford made a firewall repair kit for them, BUT-they're now discontinued from FoMoCo. Possibly available from an aftermarket source, or you may have to make something on your own.
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Old 01-31-2011, 06:52 PM
cdat81986 cdat81986 is offline
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ive done some research on the kits from ford but i can find any information on the big kit, just the small kit.

do these kits install from inside the cab or on the outside?

with the plate being detached in the engine compartment would the much cheaper small kit be enough to fix my problem or would it require the bigger kit??
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Old 01-31-2011, 07:53 PM
F150xlt F150xlt is offline
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Click on the link below which describes both the small plate and large plate repair.

F150 clutch master cylander braket seperation - FixYa

(To install the small reinforcement bracket). From inside the cab
you remove the two nuts holding the clutch master cylinder to the plate
that is pulling away from the firewall.

Install the bracket over the two studs of the clutch master cylinder and reinstall
the two nuts. The bracket clamps the under the hood plate the clutch master
cylinder is attached to, to the firewall.

This repair works as long as the firewall has no major cracks.

This is a picture of the small reinforcement bracket.
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Old 01-31-2011, 08:43 PM
cdat81986 cdat81986 is offline
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i think ill try to buy the small bracket and see where that takes me.

so the correct part number for the small bracket that is pictured in the last post is e3tz-7k509-a ?
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Old 01-31-2011, 09:24 PM
F150xlt F150xlt is offline
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The small bracket is $5.00 e8tz7k509a
The doubler kit is $170.00 e3tz7k509b

The repair kits are over twenty years old so Ford
may no longer sell them.
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