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Rcb3-700
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RCB3-700 1977-1990 B Body Impala/Caprice Crossmember 700R4 or 4L60E

$279.00

Model: RCB3-700

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1977-1990 B body transmission crossmember 700 r4 or 4L60E.  When installing for a  700R4 transmission, use a

“case-mount” transmission mount.  This type of transmission mount is directly behind the transmission pan.

SAFETY FIRST:

G-FORCE PERFORMANCE
Installation Instructions for GM applications.  Use standard Energy Suspension Transmission Mount (PART# GMTM)

-A commercial automotive lift is recommended for under car installations.
-Never work under a car supported by jacks or other unstable lifting devices.
-If a commercial lift is not available, always support the car at all four corners of the frame with jack stands or other stable holding devices.
SAFETY GLASSES ARE HIGHLY RECOMMENDED. (Metal chips, falling dirt and rust are an eye hazard.)
INSTALLATION:
-Support transmission with a suitable lifting device. (Do not crush the transmission pan. The internal pickup screen is very close to the pan surface.)
-Remove transmission mount bolt/stud. (Some vehicles are equipped with one, while others with two.)
-Remove bolts that mount the crossmember to the frame.
-If attached, remove speedometer cable and emergency brake bracket from the crossmember .
-Remove OEM crossmember -carefully lifting transmission if needed.
-Discard rubber isolators at ends of crossmember if equipped. They will not be reused.
-A new transmission mount is recommended. Use the centered type only, offset mounts will not fit.
-Remove sand, debris, and dust from inside frame rails. The new crossmember should be mounted on clean surfaces. (This is also the perfect opportunity to clean and detail the undercarriage.)
-For vehicles originally equipped with 3/8″ crossmember bolts, open (re-drill) existing holes on frame to 1/2″. If you prefer to retain 3/8″fasteners, upgrade to Gr. 8 bolts and hardened flat washers.
-Install new crossmember.
-Install transmission mount bolt/stud.
CROSSMEMBER

-Recheck all bolts.
-Installation complete.
NOTE: Many G Force Crossmembers utilize the early GM double stud transmission mount configuration, for the increased strength aspects. Should your vehicle originally be equipped with a single centered stud transmission mount, simply replace your transmission mount with the early style.

G-FORCE PERFORMANCE         330-753-5300           www.crossmembers.com

Additional Information

Weight 30 lbs
Dimensions 6 x 11 x 52 in
Chevy Models

Caprice, Impala

Product Years

1977-1990

Product Years Abbreviated

77-90

Product Years Individual

1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990

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