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Torque Specifications for 2.0 16v C20XE/C20LET

Specifications for engines, engine components, gearboxes, engineering information.

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Torque Specifications for 2.0 16v C20XE/C20LET

Postby gse_turbo » Sun Nov 23, 2008 7:17 pm

thanks to vecky 8vt at vaux-extreme.com

Specifications subject to change without prior notice - issue date 2.2.07

TORQUE WRENCH SETTINGS

MAIN CAP BOLTS- STD & H/D

GRAPHITE GREASE UNDER HEAD,OIL THREADS

STAGE 1---37 LB/FT 50NM
STAGE 2---40 DEG-50 DEG


BIG END BOLTS

STANDARD TYPE GM ROD BOLTS
STAGE 1---26 LB/FT(GRAPHITE GREASE UNDER HEAD,OIL THREADS)
STAGE 2---45 DEG-60 DEG

Heavy Duty Rods Bolts for Standard Rods (9mm x 1.25mm) 2.0L 8V/16V
RB1/RB1K---31 LB/FT with ARP assembly lubricant - See separate assembly sheet

Heavy Duty Rods Bolts for Steel Rods 2.0L 8V/16V
RB3/RB3K (FOR ROD143S) (3/8” UNF) ARP 2000 bolts - See separate assembly sheet - 45LB/FT with ARP assembly lubricant

RB4 (for ROD148S) (5/16” UNF) ARP 625+ (custom age) High Spec Bolts – 30 LB/FT with ARP assembly lubricant.

NOTE: - When assembling the bolts, as of 2002, the manufacturers recommend only using ARP assembly lubricant as supplied, under the heads and on the threads and torque up to. These are lower torque settings than would have been used with normal oil. We cannot be held responsible for rod bolt stretch when an uncalibrated torque wrench has been used.

OIL PUMP BOLTS

4 LB/FT 6 NM(242 LOCTITE)

CRANK BOLT

GRAPHITE GREASE UNDER HEAD & WASHER, OIL THREAD

STAGE 1---184 LB/FT 250 NM
STAGE 2---40 DEG-50 DEG


CAM CAPS

15 LB/FT 20 NM

CAM PULLEY BOLT

STAGE 1---37 LB/FT 50 NM(242 LOCTITE)
STAGE 2---40 DEG-50 DEG

CAM VERNIER PULLEY BOLTS


14 LB/FT

CAM BELT AUTO TENSIONER BOLT - XE/LN ONLY


15 LB/FT

IDLER PULLEY BOLTS

STAGE 1---18 LB/FT 25 NM(242 LOCTITE)
STAGE 2---45 DEG-60 DEG

FRONT PULLEY TORX SCREWS

15 LB/FT 20 NM(242 LOCTITE)

SUMP BOLTS

242 LOCTITE

STEEL SUMP---4 LB/FT
ALLOY SUMP--11 LB/FT
DRY SUMP-----10 NM

FLYWHEEL BOLTS

242 LOCTITE

STAGE 1---48 LB/FT
STAGE 2---30 DEG-45 DEG

CYLINDER HEAD BOLTS for standard gaskets
GRAPHITE GREASE UNDER HEADS & WASHERS, OIL THREADS


SEE SEPARATE SHEET FOR TIGHTNING SEQUENCE
STAGE 1---18 LB/FT 25NM
STAGE 2---65 DEG
STAGE 3---65 DEG
STAGE 4---65 DEG


CYLINDER HEAD BOLTS for Cometic gaskets

GRAPHITE GREASE UNDER HEADS & WASHERS, OIL THREADS

IF COOLING MODS HAVE BEEN DONE THEN COMETIC GASKET MUST BE DIMPLED

SEE BELOW FOR TIGHTNING SEQUENCE

STAGE 1---25 LB/FT 34NM
STAGE 2---42 LB/FT 56NM
STAGE 3---59 LB/FT 79NM
STAGE 4---75 LB/FT 100NM

ARP HEAD STUD KIT PRE 93 ONLY
63LB/FT Only (Using ARP lube)

80 LB/FT Only (Not using ARP lube, e.g. Graphite grease)
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