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B Y
S U M M I T
THY-464-1
NISSAN V6
86-89 HARD BODY,
PATHFINDER PICKUPS
PARTS INCLUDED
1 - Right side header
1 - Left side header
1 - Y-pipe assembly
1 - Hot air pickup
2 - Header gaskets
2 - Collector gaskets
1 - Catalytic converter gasket
HARDWARE INCLUDED
6 - 3/8"-16 x 1-1/4" Hex head bolts
6 - 3/8"-16 Hex nuts
6 - 3/8" Star lock washers
6 - 3/8" Flat washers
1) The utmost care is taken at Thorley Headers to maintain the highest standards of quality.
However, Thorley Headers cannot control the installation of the product. For this reason, the
Thorley Headers warranty covers only the replacement of the components - not the labor for
the installation.
2) The use of any type of "header wrapping" voids the warranty. Using any sort of wrapping
material on the headers destroys the tubing's ability to dissipate heat, causing very rapid
deterioration of the metal and the subsequent failure of the headers.
3) The chrome plating applied to all Thorley headers is a high-nickel chrome finish applied to
retard corrosion. This is a "heat" chrome to preserve the metal. This finish is not "show
chrome" intended for the sake of appearance. This high-nickel chrome turns colors and
approaches black as it cooks into the metal. The brilliance of the chrome finish is not cov-
ered under the warranty. Contamination of the surface by foreign substances may produce
other color patterns. This can be prevented by routine cleaning.
I N D U S T R I E S
TOOLS REQUIRED
Heating torch
Mig welder
Cut-off saw
Sawzall
3/8", 7/16", 9/16", 1/2", 3/4", 7/8" Wrenches
10mm, 13mm Wrenches
9/16" Line (flare nut) wrench
5/16", 7/16", 1/2", 9/16" Sockets
3/8", 7/16" Deep sockets
15mm Deep socket
5/8" Spark plug socket
Ratchet and extensions
Pliers
Crescent wrench
Torque wrench
Rust penetrant
High-temp sensor-safe silicon sealer (rated at 600 degrees+)
1
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Related Manuals for Doug Thorley Headers THY-464-1
Summary of Contents for Doug Thorley Headers THY-464-1
- Page 1 S U M M I T I N D U S T R I E S THY-464-1 NISSAN V6 86-89 HARD BODY, PATHFINDER PICKUPS PARTS INCLUDED TOOLS REQUIRED 1 - Right side header Heating torch 1 - Left side header...
- Page 2 THY-464-1 NISSAN V6 86-89 HARD BODY, PATHFINDER PICKUPS WARRANTY NOTES 4) Retain all paperwork pertaining to the purchase of your Thorley product. Save your receipt! Your limited warranty is not valid without a receipt of purchase. LEGALITY NOTE The installation of headers onto any vehicle must be performed in accordance with all govern- mental regulations that might pertain to the particular vehicle receiving the headers.
- Page 3 THY-464-1 NISSAN V6 86-89 HARD BODY, PATHFINDER PICKUPS INSTALLATION PROCEDURES WARNING! - Do not rely on bumper jacks or chassis jacks for support during header installa- tion. The subject vehicle should be raised and supported with jacking equipment and jackstands or ramps intended for undercarriage auto maintenance. It is extremely dangerous to work under an improperly raised and/or supported vehicle.
- Page 4 THY-464-1 NISSAN V6 86-89 HARD BODY, PATHFINDER PICKUPS 10) Clean all traces of carbon deposits from the cylinder head exhaust port surfaces. 11) Remove the engine oil dipstick. 12) (Note: The use of high-temp sensor-safe silicon sealer between the header flange and header gasket is highly recommended.) Install the passenger side header and supplied...
- Page 5 THY-464-1 NISSAN V6 86-89 HARD BODY, PATHFINDER PICKUPS ILLUSTRATIONS FIGURE 1 THY-464-1 ASSEMBLED...
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