1994-1997 camaro/firebird lt1 engine removal

107
1995 “F” Body Engine Removal = 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 ; open sill cock remove catalytic converter: two front nuts (leave on y-pipe studs); loosen clamp two rear nuts/washers (leave on exhaust pipe) remove y-pipe (drawer #2) remove block plug (move mount bolt to get to plug; replace nut) (drawer #2) disconnect knock sensor wire & remove knock sensor (drawer #2) remove intake elbow, MAF, CAI , unplug IAT disconnect Optispark air unplug MAF disconnect secondary air injection hose from CAI remove front sway bar bolts/screws 1 5 4 3 2 G H F 1 E D C B A XX # #

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Written and pictorial guide to removing the lt1 engine from a 94-97 GM "F" body car.

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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