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Under Engine Trays Removal
 
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Pelican Technical Article:

Under Engine Trays Removal

Steve Vernon

Time:

30 minutes30 mins

Tab:

$0

Talent:

*

Tools:

10mm socket

Applicable Models:

Porsche 944 Turbo (1986-89)

Hot Tip:

Watch for fluid in or on the trays

Performance Gain:

Proper aero

Complementary Modification:

Give the engine a good cleaning

The underbody trays on most modern cars are used not only to protect the systems from road debris and weather but to also manage the airflow under and around the vehicle. The Porsche 944 and 951 is no exception, even though it does not have as many trays as some vehicles. You will need to remove these trays to get access to most of the work you will want to perform on the cooling systems of the car along with any project involving the front and lower section of the motor.

Begin by safely jacking up and supporting your car. Please see our article on safely jacking up and supporting your car.

The 944 came with a front splitter or under tray that managed the airflow as it entered under the front of the vehicle.
Figure 1

The 944 came with a front splitter or under tray that managed the airflow as it entered under the front of the vehicle. The area in red indicates where this tray should be. If the car is new to you and missing the tray (like our project car), you should replace it. The tray cleans up the under body airflow as well as protects the area from road dirt and debris. Failure to run the vehicle with the tray will result in increased lift of the front end at highway speeds. The tray is mounted to the front as well as the wheel well liners.

With the tray off, you can see the frontal area that is open to debris as well as the large volume of area for turbulence, which causes lift.
Figure 2

With the tray off, you can see the frontal area that is open to debris as well as the large volume of area for turbulence, which causes lift.

The engine tray is held in place by seven 10mm bolts (red arrows).
Figure 3

The engine tray is held in place by seven 10mm bolts (red arrows). The yellow arrows indicate where the front tray mounts to the radiator.

Use a 10mm socket and remove the bolts (red arrows); leave one bolt on the front and rear finger tight until you are ready to remove the tray.
Figure 4

Use a 10mm socket and remove the bolts (red arrows); leave one bolt on the front and rear finger tight until you are ready to remove the tray.

Carefully lower the tray (red arrow).
Figure 5

Carefully lower the tray (red arrow). Use caution here as oil, dirt and debris can accumulate on the tray. You do not want it dropping on you.

With the engine tray off you can see all of the components you have access to.
Figure 6

With the engine tray off you can see all of the components you have access to. Installation is the reverse of removal.

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Comments and Suggestions:
ian Comments: looking for a rain tray engine [scuttle] for a pocshe 994 model 1985
September 5, 2015
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