1994-1997 camaro/firebird lt1 engine removal
DESCRIPTION
Written and pictorial guide to removing the lt1 engine from a 94-97 GM "F" body car.TRANSCRIPT
1995 F Body Engine RemovalXX = picture ## = part number (drawer #) = location of parts in bin remove hood (drawer #1) remove strut tower brace disconnect battery remove front air dam (drawer #1) drain coolant remove radiator cap; open bleed screws A ; open sill cock B remove catalytic converter: C two front nuts (leave on y-pipe studs); loosen clamp
D two rear nuts/washers (leave on exhaust pipe) remove y-pipe (drawer #2) remove block plug E (move mount bolt to get to plug; replace nut) (drawer #2) disconnect knock sensor wire 1 & remove knock sensor F (drawer #2) remove intake elbow, MAF, CAI G , H unplug IAT 2 disconnect Optispark air 3 unplug MAF 4 disconnect secondary air injection hose from CAI 5 remove front sway bar bolts/screws driver side I - plate over one bolt must be removed 6 ; 2 screws & 1 nut; left front is stud that holds plate (drawer #3) passenger side J (drawer #3)
remove serpentine belt
1
discharge A/C; disconnect A/C hose (pg. 1B-3, item #7) from condenser K & compressor L (pg. (drawer #4)
1B-3, bolt item #28) 7
disconnect transmission fluid cooler lines M one at radiator 8 other on line (hose clamp) 9 remove lower radiator hose from radiator 10A N & water pump 10B O O
remove upper radiator hose from water pump 11B remove heater outlet hose from water pump 12 remove heater inlet hose from water pump 13 O P
remove bypass hose from radiator 14A & water pump 14B remove electrical grounds from right side of engine block 15 remove shift linkage from transmission R remove bracket (2 bolts) 16 - put back on pan remove cable from lever assembly 17 remove torque arm
P Q (drawer #5)
support rear end & remove bolts 18 from rear (put back in place) S loosen 2 mount bolts T
match mark driveshaft to yoke & remove U (have to remove driveshaft safety loop - drawer #5); put caps & bolts back on yoke remove intermediate steering shaft V remove clamp & move boot W remove bolt 19 from gear assembly X (drawer #6) remove shaft from gear assembly remove boot
2
remove shaft assembly shield 20
V Y (drawer #6)
remove bolt from shaft assembly 21 remove shaft assembly
remove two ground straps & screw from driver side frame rail 22
Z
(drawer #6)
disconnect electrical connectors for front wheel speed sensors 5E1-178 AA (leave attached at wheel) disconnect on frame rails AB loosen filler cap relieve pressure at fuel pressure connection AD disconnect fuel lines 24 25 AE remove from fuel line hold-down ring AF disconnect vacuum line that runs in fuel line loom 26 AG remove accelerator control/cruise control servo cable adjuster assembly remove cover AH remove 2 nuts on manifold AI (drawer #7) rear nut holds a bracket with a hold-down ring 27 for throttle cable AJ disconnect throttle cable remove cover nut & cover AK (drawer #7) remove cable from throttle body & bracket AL note that throttle cable routes under wiring harness AM disconnect brake booster vacuum hose from intake manifold 28 AN disconnect coolant air bleed pipe hose from radiator 29 AO 23L (driver) & AC disconnect fuel lines from fuel rail 23R (passenger)
disconnect A/C hose from expansion valve AP ; plug with plastic bag & tape; note wiring zip tie, plastic clip (drawer #8), & plastic strap
3
disconnect A/C lines from dehydrator & remove (have to loosen screw on clamp) AQ remove power steering reservoir screw & retainer (drawer #8); reposition reservoir AR remove brake valve assembly, hydraulic modulator/motor pack, & TCS valve assembly (also remove fluid from master cylinder disconnect front & rear brake combination valve pipe assemblies @ valve & master cylinder (items 31 & 32 on fig. 10, pg. 5-15) 30 AS
replacing master cylinder); 12mm lines
remove master cylinder (2 nuts - drawer #8) AT disconnect 4 electrical connectors 31 32 33 34 AU ; 34 has a plastic retainer (drawer #8) AV
disconnect left 35 & right 36 front brake pipes (items 34 & 35 on fig. 10) from valve assembly AW
disconnect left 37 & right 38 rear brake pipes (items 103 & 102 on fig. 10) AX remove heat shield - 2 nuts & 1 screw (drawer #9) - one nut by #1 header AY - one screw midway - one nut at bottom AZ
remove brake pipe clip (breaks easily) (item 38 on fig. 10): one screw/stud (item 42 on fig. 10) BA (same one heat shield screw attaches to) (drawer #9) BB
remove traction control brake pressure modulator valve pipe 39 AW AX remove valve assembly bolt 40 BC remove valve assembly (slide unit to front to disengage tab) BD disconnect wiring harness from traction control valve assembly 41 BF remove 4 bolts (2 front & 2 rear) holding traction control valve assembly/bracket (drawer #10); drop unit out bottom BE reposition traction control throttle cable to clear brake lines
4
- runs over rear brake pipes BG - runs past left side of booster & behind BH disconnect wiring harness on A.I.R. pump 42 BI (runs over to main harness on left) - 1 screw on speaker pod - 2 plastic pins on cover & metal clip disconnect three engine wiring harnesses (blue, black, & white) (note the orange retainers on blue &
remove right-hand body pillar trim panel assembly (drawer #11) - 4 screws on sill trim piece
white connectors) BJ disconnect evaporator temperature sensor connector 43 BK wiring harness is routed through firewall BL disconnect forward lamp wiring harness connectors 44 45 BM remove two vacuum lines - 46 is attached to the harness BN (sits under vacuum connector
in clip) - 47 is in the way of the harness BO disconnect A/C refrigerant pressure sensor connector 48 BP remove PCM - 2 screws (drawer #2) BQ remove other A/C line on expansion valve 49 BR
unclip wiring harness hold-downs BS BT BU BV (closest to firewall penetration) BW (below expansion valve, on A/C lines) remove grommet, pull harness thru firewall, place on engine disconnect positive lead on alternator 50 BX (leave nut on alternator) remove zip tie from negative wire on wiring harness BY disconnect battery positive lead at junction block (remove zip tie) 51 BZ disconnect battery negative lead at mounting stud 52 BZ pull cables out bottom drain transmission fluid
5
remove front wheels place rear wheels on set of old wheels and place jack stands under frame rails CA place straps around lower control arm and disconnect struts from strut tower (Torx bolts are on
drivers side) (drawer #13) CB place jack under K-member and remove slack CC place jack under transmission cross member, remove slack, and remove 4 cross member bolts
(drawer #14) CD place dolly under transmission pan CJ remove 6 K-member bolts (short bolt is furthest to rear) (drawer #15) CE CF place another strap to hold steering knuckle CG lower jacks until transmission is on dolly put jack under transmission tail & remove dolly remove front brake pipe clip (drawer #15) CH lower both jacks (front jack went all the way down); transmission jack was still raised a little CI CK attach strut tower brace with 3/8 x 1.5 Grade 5 bolts & nuts lift body with chain and engine hoist on strut tower brace CL when high enough put jack stands/wood risers under frame and lower car CM CN remove engine hoist CO CP wheel engine/transmission out CQ CR attach engine hoist to strut tower brace and put car lower on jack stands
***Please see attached photos below for use as visual aids for the above instructions:
6
7
Filtered Oil - DSC00984.JPG
8
Filtered Oil - DSC00985.JPG
9
Oil Filter Cut Open - DSC001072.JPG
10
A - Coolant Bleed Screws - DSC00333.JPG
11
B - Coolant Drain Sill Cock - DSC00334.JPG
12
C - Catalytic Converter Front - DSC01140.JPG
13
D - Catalytic Converter Rear - DSC01141.JPG
14
E - Block Plug Installed - DSC00338.JPG
15
1
F - Knock Sensor Installed - DSC00339.JPG
16
4 3 2
5
G - IAT (2), Optispark Air (3), MAF (4), Secondary Air Injection on CAI (5) - DSC01228.JPG
17
H - CAI Filter Attachment - DSC01239.JPG
18
6
stud under plate
I - Front Sway Bar Attachment Left & Plate (6) - DSC0129.JPG
19
J - Front Sway Bar Attachment Right - DSC01240.JPG
20
K - AC Hose From Compressor to Condenser (Condenser End) - DSC01241.JPG
21
7
L - AC Hose From Compressor to Condenser (Compressor End) - DSC01242.JPG
22
8
9
M - Transmission Fluid Cooler Lines (with additional cooler configuration) - DSC01324.JPG
23
10A
N - Lower Radiator Hose 10A on Radiator - DSC01492.JPG
24
12 10B 11B
O - Lower Radiator Hose 10B, Upper Radiator Hose 11B, Heater Outlet Hose 12 - DSC01495.JPG
25
14B
13
P - Heater Inlet Hose 13 & Bypass Hose 14B at Water Pump - DSC01498.JPG
26
15
Q - Electrical Ground 15 on Passenger Side of Engine Block - DSC01502.JPG
27
17
16
R - Transmission Shift Linkage 17 & Bracket Bolts 16 - DSC01508.JPG
28
18
S - Torque Arm Bolts 18 on Rear End - DSC01511.JPG
29
T - Torque Arm Mount - DSC01514.JPG
30
U - Driveshaft Match Marked to Yoke - DSC01510.JPG
31
20
V - Intermediate Steering Shaft and Shield 20 - DSC01652.JPG
32
W - Intermediate Steering Shaft Clamp & Boot - DSC01653.JPG
33
19
X - Gear Assembly Bolt 19 - DSC01654.JPG
34
21
Y - Intermediate Steering Shaft Assembly Bolt 21 - DSC01657.JPG
35
22
Z - Two Ground Straps 22 & Screw on Driver Side Frame Rail - DSC01658.JPG
36
AA - Front Wheel Speed Sensor - DSC01661.JPG
37
23L
AB - Driver Side Front Wheel Speed Sensor Connection 23L - DSC01662.JPG
38
23R
AC - Passenger Side Front Wheel Speed Sensor Connection 23R - DSC01662.JPG
39
AD - Fuel Pressure Relief at Schrader Valve DSC00388.JPG
40
25 24
AE - Fuel Pipe Connectors 24 & 25 - DSC00392.JPG
41
AF - Fuel Line Hold-Down Ring - DSC01674.JPG
42
AG - Vacuum Line in Fuel Line Loom - DSC01675.JPG
43
AH - Accelerator Control & Cruise Control Servo Cable Adjuster Cover - DSC00381.JPG
44
AI - Cruise Control Bracket Nuts - DSC01677.JPG
45
27
AJ - Hold Down Ring Bracket 27 That Shares Cruise Control Bracket Nut - DSC01678.JPG
46
AK - Throttle Linkage Cover & Nut - DSC01679.JPG
47
AL - Throttle Cable at Throttle Body and in Bracket - DSC01681.JPG
48
AM - Throttle Cable Under Wiring Harness - DSC01682.JPG
49
28
AN - Brake Booster Vacuum Hose 28 - DSC01683.JPG
50
29
AO - Coolant Air Bleed Pipe Hose 29 on Radiator - DSC01684.JPG
51
AP - A/C Hose at Expansion Valve - DSC01686.JPG
52
AQ - Dehydrator Lines & Clamp - DSC01742.JPG
53
AR - Power Steering Reservoir Screw & Retainer - DSC01744.JPG
54
30
AS - Front & Rear Brake Combination Valve Pipe Assemblies 30 - DSC01748.JPG
55
AT - Master Cylinder - DSC01749.JPG
56
31
32
33
34
AU - Brake Pressure Modulator Valve Assembly Electrical Connectors 31, 32, 33, 34 - DSC01750.JPG
57
34
AV - Electrical Connector 34 With Retaining Piece - DSC01753.JPG
58
35 39 36
AW - Left Front 35, Right Front 36, & Traction Control Valve 39 Brake Pipes on Valve Assembly DSC01754.JPG
59
38 37
39
AX - Left Rear 37, Right Rear 38, & Traction Control Valve 39 Brake Pipes on Traction Control Valve Modulator Valve - DSC01755.JPG
60
AY - Heat Shield Front Attachment - DSC01758.JPG
61
AZ - Heat Shield Mid & Rear Attachments - DSC01762.JPG
62
BA - Brake Pipe Clip - DSC01763.JPG
63
BB - Brake Pipe Clip Removed - DSC01765.JPG
64
40
BC - Brake Pressure Modulator Valve Assembly Bolt 40 - DSC01766.JPG
65
BD - Brake Pressure Modulator Valve Assembly - DSC01767.JPG
66
tab
BE - Traction Control Valve Assembly/Bracket Front Bolts - DSC01772.JPG
67
41
BF - Traction Control Valve Assembly & Bracket - DSC01773.JPG
68
BG - Traction Control Throttle Cable Routed Over Rear Brake Pipes - DSC01774.JPG
69
BH - Traction Control Throttle Cable Routed Behind Brake Booster - DSC01775.JPG
70
42
BI - AIR Pump Wiring Harness - DSC01776.JPG
71
BJ - Engine Wiring Harnesses - DSC01778.JPG
72
43
BK - Evaporator Temperature Sensor Connector - DSC01781.JPG
73
BL - Wiring Harness Routing Through Firewall (Inside Car) - DSC01782.JPG
74
45 44
BM - Forward Lamp Wiring Harness Connector 44 & 45 - DSC01786.JPG
75
46
BN - Vacuum Line 46 - DSC01789.JPG
76
47
BO - Vacuum Line 47 - DSC01787.JPG
77
48
BP - AC Refrigerant Pressure Sensor Connector 48 - DSC01790.JPG
78
BQ - PCM Screws - DSC01792.JPG
79
49
BR - AC Line to Expansion Valve 49 - DSC01795.JPG
80
BS - Wiring Harness Hold-Down - DSC01796.JPG
81
BT - Wiring Harness Hold-Down - DSC01797.JPG
82
BU - Wiring Harness Hold-Down - DSC01799.JPG
83
BV - Wiring Harness Hold-Down - DSC01800.JPG
84
BW - Wiring Harness Hold-Down - DSC01801.JPG
85
50
BX - Alternator Positive Lead 50 - DSC01804.JPG
86
BY - Negative Wire Zip Tie - DSC01805.JPG
87
52
51
BZ - Battery Positive Lead at Junction Block & Negative Lead at Mounting Stud - DSC01807.JPG
88
CA - Rear Wheels Sitting on Old Wheels - DSC01858.JPG
89
CB - Straps Holding Lower Control Arms - DSC01859.JPG
90
CC - Jack Under K-Member - DSC01861.JPG
91
CD - Jack Under Transmission Cross Member - DSC01873.JPG
92
CE - K-Member Bolts - DSC01876.JPG
93
CF - K-Member Bolt - DSC01877.JPG
94
CG - Steering Knuckle Straps - DSC01879.JPG
95
CH - Front Brake Pipe Clip - DSC01881.JPG
96
CI - Lowering Engine - DSC01882.JPG
97
CJ - Lowering Engine - DSC01883.JPG
98
CK - Lowering Engine - DSC01884.JPG
99
CL - Lifting Body With Engine Hoist Attached to Strut Tower Brace - DSC01886.JPG
100
CM - Jack Stands Under Frame After Lifting - DSC01888.JPG
101
CN - Jack Stands Under Frame After Lifting - DSC01889.JPG
102
CO - Engine Lowered and Engine Hoist Removed - DSC01891.JPG
103
CP - Engine Lowered and Engine Hoist Removed - DSC01894.JPG
104
CQ - Engine Removed - DSC01895.JPG
105
CR - Engine Removed - DSC01896.JPG
106