what size socket to remove tranny mount bolt
Thread Starter
Junior Member
Joined: Aug 2003
Posts: 76
Likes: 0
From: Exton, PA
Car: 1990 firebird formula
Engine: V8 305 TBI
Transmission: TH700R4
what size socket to remove tranny mount bolt
just need to know what size socket I need to remove the bolt that connects the tranny mount to the crossmember
Member
Joined: Dec 2001
Posts: 471
Likes: 0
From: Burnaby, BC, Canada
Car: 1989 Camaro Iroc-Z
Engine: 305 TPI (LB9)
Transmission: Auto 4
I'm gonna re-iterate ....
You have a socket set right?
I mean really, take it with you under the car and try them out...
hint it's metric...
You have a socket set right?
I mean really, take it with you under the car and try them out...
hint it's metric...
Supreme Member

Joined: May 2001
Posts: 2,009
Likes: 5
From: Pitman, NJ
Car: '89 IROC-Z
Engine: Canfield 195 headed 358ci
Transmission: TH350, Art Carr 9.5"
Axle/Gears: 3.92 Dana 44
I believe its 15mm or 16mm... I put my transmission in last week, thats the only reason I know that off the top of my head
Senior Member
Joined: May 2001
Posts: 552
Likes: 0
From: San Antonio, Texas
Car: '86 Trans Am
Engine: LG4
Transmission: 700R4
Axle/Gears: 3.70 Posi disc 9 bolt
I just installed a new transmission also. Had to drop it out of an 87 T/A in the junkyard, plus drop my fragged unit.
Trans mount 15 mm.
Trans crossmember 15mm.
U-joint bolts 7/16.
Torsion bar to tranny tail 15mm (you'll need two of them; an open end and a box end)
Tranny pan 13mm.
Shift linkage 13mm.
Flywheel cover 10mm.
Torque Converter Flywheel bolts 15mm. (box end)
Trans cooling lines, on trans body, 1/2. (not enough room for line wrenches, even with crossmember dropped, recommend "stubby" 1/2).
Trans housing to engine bolts 9/16 (recommend "stubby" 9/16).
Jim.
Trans mount 15 mm.
Trans crossmember 15mm.
U-joint bolts 7/16.
Torsion bar to tranny tail 15mm (you'll need two of them; an open end and a box end)
Tranny pan 13mm.
Shift linkage 13mm.
Flywheel cover 10mm.
Torque Converter Flywheel bolts 15mm. (box end)
Trans cooling lines, on trans body, 1/2. (not enough room for line wrenches, even with crossmember dropped, recommend "stubby" 1/2).
Trans housing to engine bolts 9/16 (recommend "stubby" 9/16).
Jim.
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Supreme Member
Joined: Jun 2003
Posts: 1,985
Likes: 1
From: Massachusetts
Car: candy blue 85 z28
Engine: 305 tpi LB9
Transmission: 700r4 crazy beefed up one
Axle/Gears: ones with teeth
i used a 25 on about every bolt except the u joint that was a 11
my new wonder tool. ya know wonder what i did without one....
craftsman ratching wrench. ya know the box end is a ratchet. works great on those tight to get into trans bolts. made quick work of em....highly reccomend for trans bolts.
Jeff
my new wonder tool. ya know wonder what i did without one....
craftsman ratching wrench. ya know the box end is a ratchet. works great on those tight to get into trans bolts. made quick work of em....highly reccomend for trans bolts.
Jeff
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