TECHNICAL SERVICE BULLETIN
Doc. ID TSB-25511-01
Model Jesko
1091593 (Parts)
Kit
1087205 (Tools)

Rear Hood Sealing and Seal Test
This instruction refers to other documents that are necessary to do the procedure.
This instruction recommends two or more technicians to put the vehicle on jack stands and to
remove and install the wheels.
WARNING
Always refer to the local regulations and manufacturer's safety data sheet for
the chemicals and use the necessary PPE. The chemicals can cause injury or
death.

Situation
Water running off the roof and into the engine bay may cause degradation of the spark plugs
and spark plug coils.

Action
Do an inspection of the spark plugs. Install the rear hood sealing. Do a leak test of the valve
cover and reseal if necessary. Install a new o-ring to the ignition coils.
PPE

REFERENCE

QUANTITY

Chemical resistant gloves

–

–

Face mask

–

–

Safety goggles

–

–

Work gloves

–

–

PARTS

REFERENCE

D-Rubberlist for Rear Window

1072947

2

D-Rubberlist for Rear Window Bottom

1083801

1

O-ring FKM 19x2

170-441-3237

8

TOOLS

SPECIFICATION

Coil ring tester

1087135

1

E-Motor Coolant System & Cap Pressure Test
Kit

100629

1

General mechanical tools

–

–

Heat gun

–

–

Inspection camera

–

–

M6x25 M6SF 8.8 DIN 6921 P2T

130-143-0625

1

CONSUMABLES

REFERENCE

Brake cleaner

130-183-6101

–

DP490

130-114-1011

–

Isopropanol

000016

–

Multi purpose grease NLGI-2

130-117-4019

–

Soap and water solution

–

–

QUANTITY

QUANTITY

QUANTITY

© This document remains the property of Koenigsegg Automotive AB. It is provided with the understanding that it contains propriety i­nformation
and its contents must be handled accordingly. It must not be used for purposes other than that for which it is intended or be disclosed to
­unauthorized persons. It must not be reproduced in whole or in part without prior permission in writing from Koenigsegg Automotive AB.

1 [12]

TECHNICAL SERVICE BULLETIN
Doc. ID TSB-25511-01
Model Jesko
1091593 (Parts)
Kit
1087205 (Tools)

Prepare
1.
2.
3.
4.
5.
6.

Open the rear hood with the key fob or from the center console.
Lift and put the vehicle on jack stands, refer to WOM-00092.
Remove the engine mudpan, refer to WOM-00094.
Disconnect the 12 V system, refer to WOM-00082.
Remove the wheels, refer to WOM-00083.
Remove the air boxes, refer to WOM-00206.

Install Sealing

XXX-XXX-XXXX

1. Put on the personal protective equipment.
PPE: Safety goggles
PPE: Chemical resistant gloves
2. Clean the surfaces
on the rear hood along the rear window opening.
Consumable: Isopropanol

3. Make sure that the new 2× long lists are 685 mm long.
Part: 1072947
4. Make sure that the new short list is 255 mm.
Part: 1083801
5. Make sure that the rubber list ends are cut in a right 90° angle.

© This document remains the property of Koenigsegg Automotive AB. It is provided with the understanding that it contains propriety i­nformation
and its contents must be handled accordingly. It must not be used for purposes other than that for which it is intended or be disclosed to
­unauthorized persons. It must not be reproduced in whole or in part without prior permission in writing from Koenigsegg Automotive AB.

2 [12]

TECHNICAL SERVICE BULLETIN
Doc. ID TSB-25511-01
Model Jesko
1091593 (Parts)
Kit
1087205 (Tools)

6. Push together the ends of the rubber lists. Make sure that the seal
covers the long edge
and the short edge
on all ends.
or the short edge
when the seal is pushed
º If you can see the long edge
together, you have to cut the seal straight.

7. Position the short edge
of the long seal along the window opening. Attach the end of
the seal so it aligns with the edge
of the rear hood.

8. Install the rubber list straight along the edge of the window opening, do not pull or stretch
the list.

9. Do the steps 6 thru 8 again to install the second long rubber list on the other side of the
window opening.

© This document remains the property of Koenigsegg Automotive AB. It is provided with the understanding that it contains propriety i­nformation
and its contents must be handled accordingly. It must not be used for purposes other than that for which it is intended or be disclosed to
­unauthorized persons. It must not be reproduced in whole or in part without prior permission in writing from Koenigsegg Automotive AB.

3 [12]

TECHNICAL SERVICE BULLETIN
Doc. ID TSB-25511-01
Model Jesko
1091593 (Parts)
Kit
1087205 (Tools)

10. Measure from the edge of the window opening and put a mark at 10 mm

.

11. Temporarily position the edge of the short seal at the mark
and hold the seal along the
bottom of the window opening.
12. Make sure that the short seal is in the center of the window opening and that the distances
are equal on the both sides.
.
º If necessary, adjust the mark

13. Position the short edge
of the short seal along the window opening. Attach the end of
the seal so it aligns with the mark
on the rear hood.
14. Install the rubber list straight along the bottom of the window opening, do not pull or
stretch the list.

15.
16.
17.
18.

Remove the mark
.
Set the 12 V main switch to ON.
Close the rear hood with the key fob or from the center console.
Make sure that the rear hood closes correctly.
º If the rear hood does not close, do a calibration of the rear hood. Refer to
WOM-00328.
º If the hood closes correctly, continue with the next section.

© This document remains the property of Koenigsegg Automotive AB. It is provided with the understanding that it contains propriety i­nformation
and its contents must be handled accordingly. It must not be used for purposes other than that for which it is intended or be disclosed to
­unauthorized persons. It must not be reproduced in whole or in part without prior permission in writing from Koenigsegg Automotive AB.

4 [12]

TECHNICAL SERVICE BULLETIN
Doc. ID TSB-25511-01
Model Jesko
1091593 (Parts)
Kit
1087205 (Tools)

Inspection of Spark Plugs
1. Disconnect the 12 V system, refer to WOM-00082.
2. Remove the ignition coils from the spark plugs. Do not remove the spark plugs. Refer to
WOM-00303.
Note
To remove the ignition coils that are closest to the backwall you must first remove
the intercooler hose, refer to WOM-00303. It is not necessary to disconnect the fuel
hoses.
3. Use an inspection camera to do an inspection of the spark plugs in the ignition coil holes.
4. If you see water or corrosion on the spark plugs, submit a KATS ticket with photos on the
affected area.

Install new O-ring to the Ignition Coil