VQ35DE Engine Bay Bolt Sizes
VQ35DE Engine Bay Bolt Sizes
I get this question every week about bolt sizes in the engine bay. RRYDE was kind enough to put together the below guide. Thanks Randy!
Windshield wiper nuts - (2) 10mm x 1.25
With so many people asking me about bolts. Here is the leg work done for you on sizes and quantity. Please do not take this as to being 100% accurate, but it should be damn close.
---------------------------------------(QTY) ----------Size mm
Upper Plenum : ( 9 )6mm x 25mm - (3 )6mm x 45mm - ( 4 )6mm x 60mm - (2)6mm nuts
Using a plenum spacer, add 10mm to length to all bolts
Plenum Brackets : ( 4 )6mm x 14mm
Lower Collector : ( 4 )8mm x 40mm - ( 4 )8mm nuts
Throttle Body : ( 4 )6mm x 45mm
Fuel Line bracket : ( 2 )6mm x 35mm
Dip Stick guide : ( 1 )6mm x 40mm
VTC Solenoids : X2 ( 3 )6mm x 35mm - cover bolt X2 ( 1 )6mm x 14mm
Camshaft Bracket ( what vtc solenoid is bolted to ): X2 ( 4 )6mm x 55mm * Need to reuse oem washer from oem bolt.
Coil Packs : ( 6 )6mm x 20mm
Brackets on valve covers : ( 6 )6mm x 14
Timing Cover : ( 20 )6mm x 25 * There is one that can only be replaced if crankshaft pulley is removed. - ( 2 )8mm x 70mm * lower end of cover. *( 6 )6mm x 14mm to fill empty holes.
Cam Covers : X2 ( 5 )6mm x 16mm
Cam Covers ( rev up ) : X2 ( 7 )6mm x 16mm
Water Pump cover : ( 4 )6mm x 14mm
Chain Tensioner cover : ( 3 )6mm x 14mm
Thermostat : ( 3 )6mm x 30mm
Coolant Pipe ( passenger side ) : ( 1 )8mm x 20mm
Ground Wire ( on timing cover ) : ( 1 )8mm x 20mm - ( 1 )6mm x 14mm
Ground Wire ( on frame ) : ( 2 )6mm x 14mm
Power Steering Pump : ( 2 )8mm x20 - ( 1 )8mm x 45mm
Lower Alternator bracket : ( 2 )8mm x 20mm
Drive Belt tensioner pulley bracket : ( 3 )8mm x 20mm
AC Belt tensioner pulley bracket : ( 3 )8mm x 20mm
Strut / Coilover : X2 ( 3 )8mm nuts
Hood Hinge : ( 4 )8mm nuts
Hood Pin Switch bracket : ( 2 )6mm x 14mm
Power Steering tank bracket : ( 3 )6mm x 25mm
Hood Latch : ( 3 )8mm x 20mm
Core Support : ( 4 )8mm x 20mm
Head Lights : ( 2 )6mm x 25mm
Fenders : ( 8 ) 6mm x 14mm - * if using hood dampers, only ( 6 ) are needed
Cowel : ( 1 )6mm x 14mm * at firewall
Overflow Tank : ( 1 )6mm x 14mm
---------------------------------------(QTY) ----------Size mm
Upper Plenum : ( 9 )6mm x 25mm - (3 )6mm x 45mm - ( 4 )6mm x 60mm - (2)6mm nuts
Using a plenum spacer, add 10mm to length to all bolts
Plenum Brackets : ( 4 )6mm x 14mm
Lower Collector : ( 4 )8mm x 40mm - ( 4 )8mm nuts
Throttle Body : ( 4 )6mm x 45mm
Fuel Line bracket : ( 2 )6mm x 35mm
Dip Stick guide : ( 1 )6mm x 40mm
VTC Solenoids : X2 ( 3 )6mm x 35mm - cover bolt X2 ( 1 )6mm x 14mm
Camshaft Bracket ( what vtc solenoid is bolted to ): X2 ( 4 )6mm x 55mm * Need to reuse oem washer from oem bolt.
Coil Packs : ( 6 )6mm x 20mm
Brackets on valve covers : ( 6 )6mm x 14
Timing Cover : ( 20 )6mm x 25 * There is one that can only be replaced if crankshaft pulley is removed. - ( 2 )8mm x 70mm * lower end of cover. *( 6 )6mm x 14mm to fill empty holes.
Cam Covers : X2 ( 5 )6mm x 16mm
Cam Covers ( rev up ) : X2 ( 7 )6mm x 16mm
Water Pump cover : ( 4 )6mm x 14mm
Chain Tensioner cover : ( 3 )6mm x 14mm
Thermostat : ( 3 )6mm x 30mm
Coolant Pipe ( passenger side ) : ( 1 )8mm x 20mm
Ground Wire ( on timing cover ) : ( 1 )8mm x 20mm - ( 1 )6mm x 14mm
Ground Wire ( on frame ) : ( 2 )6mm x 14mm
Power Steering Pump : ( 2 )8mm x20 - ( 1 )8mm x 45mm
Lower Alternator bracket : ( 2 )8mm x 20mm
Drive Belt tensioner pulley bracket : ( 3 )8mm x 20mm
AC Belt tensioner pulley bracket : ( 3 )8mm x 20mm
Strut / Coilover : X2 ( 3 )8mm nuts
Hood Hinge : ( 4 )8mm nuts
Hood Pin Switch bracket : ( 2 )6mm x 14mm
Power Steering tank bracket : ( 3 )6mm x 25mm
Hood Latch : ( 3 )8mm x 20mm
Core Support : ( 4 )8mm x 20mm
Head Lights : ( 2 )6mm x 25mm
Fenders : ( 8 ) 6mm x 14mm - * if using hood dampers, only ( 6 ) are needed
Cowel : ( 1 )6mm x 14mm * at firewall
Overflow Tank : ( 1 )6mm x 14mm
Last edited by CandlestickPark; Dec 28, 2011 at 04:44 PM.
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There are two bolts; Alternator Upper Mounting Bolt and Power Steering Pump Lower Mounting Bolt that are difficult to replace with socket head bolts. There 10mm X1.25 X 110mm and 10mmx1.25x125mm. The longest fine thread I could locate in socket head is 100mm.
