k&n series 77 air intake toyota tundra installation instructions

8/14/2019 K&N Series 77 Air Intake Toyota Tundra Installation Instructions

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INSTALLATION INSTRUCTIONS

TOYOTA

2007 TundraV8-5.7L

77-9031

TO START:

1. Turn the ignition OFF and disconnect

the vehicle's negative battery cable.

2. Lift up the front of the engine cover, then

unhook it from the rear and remove it from the

vehicle.

3. Disconnect the mass air sensor electrical con-

nection, then unhook the wiring harness from the

air box.

4. Disconnect the crank case vent hose from the

stock intake tube as shown.

5. Disconnect the fuel pressure regulator vent

hose from the stock intake tube as shown.

6. Loosen the hose clamp that fastens the stock

intake tube to the throttle body.

7. Loosen the two bolts that fasten the air box tothe inner fender.

8. Remove the stock intake assembly from the

vehicle as shown.

9. Remove the bolt that fastens the engine coolant

tube to the valve cover.

Note: Bolt will be re-used in the next step.

10. Install the provided intake tube mounting

bracket (06490) onto the valve cover; fasten

using the stock bolt removed in step #9.

11. Install the large edge trim onto the heat

shield.

Note: Some trimming of the edge trim will be

necessary.

Parts List

TOOLS NEEDED:Ratchet

Extension

10mm Wrench10mm Socket

3mm Allen Wrench

Flat Blade Screw Driver

Phillips Screw Driver

Desc. Qty. Part #

NOTE: FAILURE TO FOLLOW INSTALLATION INSTRUCTIONS AND NOT USING THE PROVIDED HARDWARE MAY DAMAGE

THE INTAKE TUBE, THROTTLE BODY AND ENGINE.

NOTE: This kit was not designed

to fit vehciles with a body lift.

V

UT

A

B

A

J I H

S

Q J P

Q J

J O

P

R

J O

HIJ

O

J P

O J

P

H

N

I

J

JQ

JQ

L

JI

H

F

G

C

AB

A

D

E

K

M

A Hose Clamp #56 4 08620

B Hose; 3.5 ID X 2 L Blk 2 08698C Intake Tube 1 27530

D Hose; 1/2 ID X 7 L Blk 1 08159E Hose: Mender, 1/2 Brb, Nl 1 08686

F Bolt; M4-0.07 8mm, A/H C SS 2 07733

G Bracket; Z, STL, FB/PC 1 06490

H Bolt; 6mm-1.00 X 16mm, SS 4 07812

I Washer; 1/4 Lock, ZN 4 08198

J Washer; 1/4 ID X 5/8 OD 12 08275K Heat Shield 1 07653

L Edge Trim (20) 1 102494

M Edge Trim (75) 1 102460

N Bracket; L-Bend 1 070902

O Bolt; M6 X 1.00 X 20mm HX 4 07795

P Spacer; .625 OD X .250 ID X .250 L AL 4 06555Q Nut; 6mm Nylock, Hex Head, SS 4 07512

R Bracket; Mild STL, FB/PC 1 07190

S Bracket; L 1 070742

T Adaptor; #380 1 21512

U Hose Clamp #104 1 08697

V Air Filter 1 RF-1041


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INSTALLATION INSTRUCTIONSContinued

13. Install the provided L bracket (070902) onto

the heat shield as shown; fasten using the provid-

ed spacers and hardware.

Note: The two spacers are to be installed

between the bracket and heat shield.


the heat shield as shown; fasten using the provid-

ed hardware and spacer.

Note: The spacer is to be installed between

the bracket and heat shield.

15. On vehicles equipped with a security system

horn, remove the bolt that fastens the security

system horn to the inner fender.


the inner fender as shown; fasten using the pro-

vided hardware.

Note: On vehicles equipped with a security

system horn, be sure to install the L bracket

over the horn bracket.

17. Remove the bolt that fastens the ground

strap to the inner fender.

18. Set the heat shield into position on the inner

fender; then fasten the front mounting bracket to

the front air box mounting location with the pro-

vided hardware.

19. Fasten the rear mounting bracket to the

ground strap mounting location using the pro-

vided hardware.

Note: Be sure to place the ground strap

between the bracket and inner fender.

25. Connect the stock fuel pressure regulator

vent hose to the K&N intake tube.

20. Fasten the rear heat shield bracket installed

in step #15 onto the heat shield with the provid-

ed spacer and hardware.

Note: The spacer is to be placed between the

heat shield and bracket.

24. Install the K&N intake tube into the silicone

hose at the throttle body and align with the intake

tube mounting bracket installed in step #9. Fasten

the intake tube with the provided hose clamp and

hardware.

21. Remove the two bolts that fasten the

mass air sensor into the stock air filter

housing; then remove the mass air sensor

as shown.

22. Install the mass air sensor into the K&N

intake tube; then fasten using the provided hard-

ware.

23. Install the provided sillicone hose (08698)

onto the throttle body as shown; then fasten using

the provided hose clamp.

12. Install the small edge trim into the hole of the

heat shield as shown.

Note: Some trimming of the edge trim will be

necessary.

26. Install the provided hose mender into the pro-

vided crank case vent hose.


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1455Citrus St. Riverside, CA 92507 (951) 826-4000 FAX (951) 826-4001 T ECH: (800) 858-3333 http://www.KNFilters.com e-mail: [email protected]

*FREE K&N DECAL To register your warranty, please see us online at knfilters.com/register. FREE K&N DECAL*

INSTALLATION INSTRUCTIONSContinued

30. Install the K&N air filter assembly onto the

K&N intake tube; fasten using the provided hose

clamp.

31. Re-install the engine cover.

32. Re-connect the mass air sensor electrical

connection.

ROAD TESTING:

1. Start the engine with the transmission in

neutral or park, and the parking brake

engaged. Listen for air leaks or odd noises.

For air leaks secure hoses and connections.

For odd noises, find cause and repair before

proceeding. This kit will function identically

to the factory system except for being louder

and much more responsive.

2. Test drive the vehicle. Listen for odd nois-

es or rattles and fix as necessary.

3. If road test is fine, you can now enjoy the

added power and performance from your kit.

4. K&N suggests checking the Filtercharger

element periodically for excessive dirt build-

up. When the element becomes covered in

dirt (or once a year), service it according to

the instructions on the Recharger service kit,

part number 99-5000 or 99-5050.

27. Connect the hose mender from the K&N

crank case vent hose assembly into the factory

crank case vent hose and fasten with the factory

spring clamp; then connect the open end to the

K&N intake tube as shown.

28. Install the provided air filter adapter into the

K&N air filter as shown; fasten using the provid-

ed hose clamp.

29. Install the provided silicone hose (08698)

onto the K&N air filter adapter as shown; fasten

using the provided hose clamp.

33. Re-connect the vehicles negative battery

cable. Double check to ensure everything is

tight and properly positioned before starting

the vehicle.

34. It will be necessary for all K&N intake kits

to be checked periodically for re-alignment,

clearance, and tightening of all connections.

Failure to follow the above instructions may

void the warranty.

18547

08/27/07

k&n series 77 air intake toyota tundra installation instructions

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