NHTSA ID Number: 11027274
Manufacturer Communication Number: No 11-24
TSB/Document Date: 2026-01-07
Summary
Installation and conversion instructions for the 911 (992) GT3 RS Manthey Racing Kit. Please refer to PDF for additional information.
properly.
Tequipment
Installation and Conversion Instructions
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Rear right passenger compartment line routing
Þ Rear right passenger compartment line routing
– Remove spout that is installed as standard ⇒
-1Þ Rear right passenger compartment line routing
– Guide wire harness through body opening ⇒
Þ Rear right passenger compartment line routing -2-. Ensure correct
-1- and installgrommet ⇒
seating.
Rear left passenger compartment line routing
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Installation and Conversion Instructions
Þ Rear left passenger compartment line routing
– Remove spout that is installed as standard ⇒
-1Þ Rear left passenger compartment line routing
– Guide wire harness through body opening ⇒
Þ Rear left passenger compartment line routing -2- . Ensure correct
-1- and installgrommet⇒
seating.
Rear left wheel housing line routing
Rear right wheel housing line routing
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Installation and Conversion Instructions
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– Important: Only fix wire harness finally when plugs on the damper are wired, start and
prepare the damper; this applies to all four dampers. Align wire harness, short wire harness
Þ Rear left wheel housing line routing -1-/⇒
Þ Rear right wheel housing line routing -1-/ with
⇒
three plugs remaining in the rear wheel housing.
Þ Rear left wheel housing line routing -2-⇒
Þ Rear right wheel housing
– Lay long wire harness/⇒
line routing -2-towards front of vehicle in the area of the sill and fix it to air conditioning line
Þ Rear left wheel housing line routing -3-/⇒
Þ Rear right wheel
with pipe cuffs and cable ties ⇒
housing line routing -3-.
– Repeat this work step on the other side (rear left wheel housing).
Line routing of sill on right side
Þ Line
– Fix wire harness to the air conditioning line as shown using cable ties and pipe cuffs ⇒
routing of sill on right side -1-
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Installation and Conversion Instructions
Line routing of sill on left side
Þ Line routing of sill on left side
– Fix wiring harness to the tumbler bolt with cable tie as shown ⇒
-1- On vehicles with lift system, the wiring harness is fastened at 4 points. Only 3 fastening
points are used for non-lift vehicles. The 4th Porsche
fastening tie (999.591.126.40) is used
elsewhere.
Line routing from front left wheel housing to shock absorber
Þ
– Lay wire harness behind wiper water tank and fix it to the body using three cable tie clamps ⇒
Line routing from front left wheel housing to shock absorber -1-
Tequipment
Installation and Conversion Instructions
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Þ Line routing from front left wheel
– Connect wiring harness to the standard wire harness ⇒
housing to shock absorber -2Þ Line routing from front left wheel
– Fix wiring harness to the tumbler bolt with cable tie ⇒
housing to shock absorber -3- For non-lift vehicles, no scratch clips can be used at pos. 3.
Instead, the Porsche
fastening tie is used on the tumbler bolt (on both sides).
– Place cable labelled “Accelerometer“ in the area of the plenum panel through the rear opening
Þ Line routing from front left wheel housing to shock absorber -4- and pull upwards in the
⇒
area of the dome bearing.
Line routing from front right wheel housing to shock absorber
Þ Line routing from front right wheel
– Fix wire harness to air conditioning line as shown ⇒
Þ Line routing from front right
housing to shock absorber -1- and lay it behind silver bracket ⇒
wheel housing to shock absorber -2Þ Line routing from front right wheel housing to
– Connect wire harness from silver bracket ⇒
Þ Line routing from
shock absorber -2- with cable tie to the water line and tank filling neck ⇒
front right wheel housing to shock absorber -3-.
Þ Line routing from front right wheel housing to shock
– Lay wire harness behind black bracket ⇒
absorber -4-.
– Place cable labelled “Accelerometer“ in the area of the plenum panel through the rear opening
Þ Line routing from front right wheel housing to shock absorber -5- and pull upwards in the
⇒
area of the dome bearing.
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Installation and Conversion Instructions
Line routing from rear left wheel housing to shock absorber
– Lay wire harness in the direction of the rear axle and fix it to the standard wiring harness using
Þ Line routing from rear left wheel housing to shock absorber -1cable ties ⇒
Þ Line routing from
– Fix additionally to holder for standard wire harness using cable tie clamp ⇒
rear left wheel housing to shock absorber -2Þ Line routing from
– Fasten wire harness that runs forward to the body using cable tie clamp ⇒
rear left wheel housing to shock absorber -3-
Line routing from rear right wheel housing to shock absorber
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Installation and Conversion Instructions
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4.1
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– Lay wire harness in the direction of the rear axle and fix it to the standard wiring harness using
Þ Line routing from rear right wheel housing to shock absorber -1cable ties ⇒
Þ Line routing from
– Fix additionally to holder for standard wire harness using cable tie clamp ⇒
rear right wheel housing to shock absorber -2Install front spring strut. ⇒ Workshop Manual '408519 Remove and install front spring strut'
Ensure the lift system line is not twisted or under strain.
When installing the spring strut, slide the strut bearing plate in the body connection as far as
possible towards the outside of the vehicle.
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4.2
Observe installation position for dome bearing
– Left picture "front left" on the front axle, the support bearing plate must be pushed
outwards to the maximum extent to ensure free movement between spring and body.
– Picture on the right “front right“ on the front axle, the support bearing plate must be
pushed outwards to a maximum to ensure free movement between spring and body.
Install the rear spring strut. ⇒ Workshop Manual '427119 Remove and install spring strut, rear'
The following work step (connecting the shock absorbers on the underside) is only shown on one damper
and must be carried out on ALL four shock absorbers.
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Installation and Conversion Instructions
Applying contact to shock absorber
Þ Applying contact to shock absorber -A- with an R
– The shock absorber has two solenoid valves ⇒
and a C.
Þ Applying contact to shock absorber -1- in valve
– Insert plug connection as follows: Rebound plug ⇒
Þ Applying contact to shock absorber -2- in valve C.
R. Compression plug ⇒
– Insert plug connection at the bottom as follows: Connect Accelerometer plug at the bottom of the
Þ Applying contact to shock absorber -3-.
damper ⇒
Observe cable guide on the valve blocks
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Installation and Conversion Instructions
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– Fit cable guide to valve blocks as shown. Two cable ties including cable for wheel acceleration
sensor for each valve block.
Rear left and right brake air guide wire harness
– This work step is only shown on one side and must be repeated on the other side.
Þ Rear left and right brake air guide wire harness -1- on the
– Install newly supplied brake air guide ⇒
left and right at the rear.
Þ Rear left and right brake air guide wire harness
– Clip round-hole cable clips into the brake air duct ⇒
-2- and fix them in place.
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Installation and Conversion Instructions
Connect front left acceleration sensor
Þ Connect front left acceleration sensor -1- together. Cable ties
– Stick front left accelerator sensor ⇒
on the sensor to fix the guided cable downwards.
Connect front right acceleration sensor
Þ Connect front right acceleration sensor -1-. Cable ties on
– Connect front right acceleration sensor⇒
the sensor to fix the guided cable downwards.
– All lines that are surplus in the entire vehicle must be connected. Make sure that no line is kinked
and that it is not connected to moving parts.
Tequipment
Installation and Conversion Instructions
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– Function test, if the LED on the control unit is permanently lit (red) at PWR, the function test is
successful.
Replacing door entry guards
5.1
Removing door entry guard. ⇒ Workshop Manual '427119 Remove and install cover strip'.
5.2
Installing illuminated door-sill guards, (see conversion manual "Door-sill guards, illuminated
ADY/ATX" TEQ 6807).
Rear wing conversion
6.1
Remove rear spoiler (wing active) and replace with new active wing, use new screws ⇒
Workshop Manual '427119 Remove and install rear spoiler (wing active)'.
6.2
Replace wing plates (left and right), use new screws + Loctite 243 ⇒ Sideplate screws and
⇒ Wing plate spacer install additional spacers ⇒ Workshop Manual '427119 Remove and
install rear spoiler (wing plate)'. Tightening torque: 9,8 Nm (7.23 ftlb)
5.3
Sideplate screws
– Use new snap ring during assembly, left and right, old bolt remains in use.
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Installation and Conversion Instructions
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Wing plate spacer
5.4
7
Side plates
– Fit and screw in side plates on the left and right, first attach all screws and align tray,
Þ Side plates -1-. Tightening torque: 6 Nm
then tighten. 10 screws per sideplate ⇒
(4.4 ftlb)
Roof fin assembly
Important: For vehicles with SDAR antenna, cut out template in the antenna area.
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Tequipment
Installation and Conversion Instructions
911 (992)
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NOTICE
Bonding OF ALL components to be bonded
•
Exclusion of warranty for bonding to non-Porsche
film.
•
Transfer of responsibility in the event of foliation to customer and/or Porsche
Center
Þ
⇒
Processing temperature 18–25°C
Þ
⇒
Use isopropanol to clean the adhesive surface
Þ
⇒
Press the center of the fin once to close the gap
Þ
⇒
Press firmly as follows (repeat 3 times):
Þ
⇒
1. Push the fin firmly from back to front. 6–10 positions (apply as much pressure as possible on the flange)
Þ
⇒
2. Push the fin firmly from front to back. 6–10 positions (apply as much pressure as possible on the flange)
Information
Check for correct flap/flick alignment. The alignment cannot be corrected afterwards.
Overview of roof fins
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Installation and Conversion Instructions
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TSB/Document ID: No 11-24
Replacement Service Bulletin Number:
MFR Communication Date: 2025-12-17
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: UNKNOWN OR OTHER
MFR Component System:
MFR Component Subsystem:
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