Read Microsoft Word - THOR CI installation.doc text version

Congratulations on the purchase of Trail Head Off Road's Jeep Cherokee XJ Cowl Induction true Cold Air kit. Please read these instructions completely before starting the installation. Some steps may need prior preparation. Parts list filter heat shield Green performance air filter 3" 90 degree elbow Main power tube Intermediate filter mounting tube stainless steel mounting clamps self threading 1/4" screws 1 1 1 1 1 4 4

Tools required: #2 Phillips head screwdriver, drill motor with Phillips bit, cutting tools; a 4.5" grinder with a cutoff wheel works great. Step 1: Part Removal Remove the factory airbox and assembly

Step 2: Marking and cutting Pre fit the air filter heatshield and mark the side mounting and outside area this will give a reference for where to cut into the cowl. Measure twice and cut once. (fig 1, 2,3). Align template to rise in cowl, see fig 1.1.


fig 1.1

fig. 2

fig. 3 Step 3: Installation Fit all components loosely for initial installation.

Pre install the filter on the filter mounting tube (6" long 3" daimeter tube) and clamp (fig. 4). Set the filter into the cowl hole with the heat shield. (fig. 5)

fig. 4

fig. 5

Affix the 90 degree elbow loosely point it towards the drivers side. Install your clamp but do not tighten (fig. 6)

fig. 6 Install the main power tube between the open end of your 90 degree elbow and factory throttle body flex hose, replacing the plastic clamp with a supplied stainless steel clamp. (you will have to turn your factory flex fitting towards the passenger side) (fig. 7)

fig. 7 Make sure that nothing is hitting and make the necessary adjustments then tighten all clamps. Using razor cut the plastic CCV line and attach using the factory connections to the power tube (approx 2 5/8 remaining, this may vary by vehicle) (fig. 8, 9)

fig. 8

fig. 9 On older models you may need to use a plastic t-fitting to connect both CCV lines into one which will connect to the main power tube. If your vehicle is equipped with the shown vacuum module you will need to trim the bracket edge (note the holes in the heatshield will be used for both this module and the heatshield) (fig. 10,11)

fig. 10

fig. 11 Start the vehicle and check for leaks, you will notice a rushing sound at startup, this is normal. For technical or installation questions, please contact us. [email protected]

Thanks again for choosing a THOR product to protect your rig. We expect you to have many years of satisfaction.


Microsoft Word - THOR CI installation.doc

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