Taking off passenger head about 37 bolts so far

Disclaimer: Links on this page pointing to Amazon, eBay and other sites may include affiliate code. If you click them and make a purchase, we may earn a small commission.

Status
Not open for further replies.

Johninbc

Junior Member
Joined
Jul 28, 2020
Posts
9
Reaction score
7
Location
BC
First Name
John
Truck Year
1987
Truck Model
R10
Engine Size
5.7
@Hugomartin Hine sight is 20/20 right. I'm not saying this to be a jerk, but if you did not know that the entire intake manifold has to come off before a head is pulled or that, it's really best to do whatever your doing to both heads (even if it's just a gasket), to prevent you from having to do the work a second time, then you'd serve yourself well to research a little better so you know what your getting into ahead of time. The cylinder head shape, and dowels will prevent it from coming off without entirely removing the manifold.

If you haven't drained the coolant, then you probably have a ton of it in the crankcase by now so be sure to change the oil, even if you have drained it still change the oil to be sure. You wouldn't want any debris from the job plugging up the pick up screen, or enough coolant in the crankcase to damage bearings.
 

JBswth

Full Access Member
Joined
Jan 24, 2022
Posts
213
Reaction score
173
Location
Vallejo, California
First Name
James
Truck Year
1973
Truck Model
C25
Engine Size
292 cubic inches
pulling the head because of 20 psi or less compression on 4, 6 and 8 cylinders.... Also when it used to run id get oil shooting out of my dipstick while driving upwards of 50mph that could mean maybe a scored piston wall?
You probably have a small hole in one or two pistons.
 

Hugomartin

Banned
Joined
Jul 23, 2021
Posts
256
Reaction score
71
Location
Nc
First Name
Hugo
Truck Year
1987
Truck Model
V20 3/4 ton 5.7 350 suburban
Engine Size
350
Ok the head is off now what next to remove the bottom end ? Thanks fellers these are some of the socket sizes used for reference

5/8
1/2
9/16
 

Hugomartin

Banned
Joined
Jul 23, 2021
Posts
256
Reaction score
71
Location
Nc
First Name
Hugo
Truck Year
1987
Truck Model
V20 3/4 ton 5.7 350 suburban
Engine Size
350
This is the “good” side with compression
 

Attachments

  • 3B11E4FC-FC34-4A36-81C6-8D6A335E89DF.jpeg
    3B11E4FC-FC34-4A36-81C6-8D6A335E89DF.jpeg
    173.2 KB · Views: 53

Hugomartin

Banned
Joined
Jul 23, 2021
Posts
256
Reaction score
71
Location
Nc
First Name
Hugo
Truck Year
1987
Truck Model
V20 3/4 ton 5.7 350 suburban
Engine Size
350
Do I need to remove anything off the front other than the fan blades . Do I have to remove water pump and power steer pump?
 

Attachments

  • 04ABFA43-A0C4-4A0A-BB0A-92396326E157.jpeg
    04ABFA43-A0C4-4A0A-BB0A-92396326E157.jpeg
    174.3 KB · Views: 56

Hugomartin

Banned
Joined
Jul 23, 2021
Posts
256
Reaction score
71
Location
Nc
First Name
Hugo
Truck Year
1987
Truck Model
V20 3/4 ton 5.7 350 suburban
Engine Size
350
Probably not a bad idea. Just lay power steering pump off to the side when time to pull engine off. Water pump can stay on.
Years ago I remember the ps pump high pressure line nut was an absolute mother effer tightening down with a wrench guess I’ll have to rent a pulley puller . If I get off the ps pump and fan I can lift the engine out? Do I need to remove the hood too?
 

squaredeal91

Full Access Member
Joined
Mar 10, 2023
Posts
2,487
Reaction score
4,472
Location
Cave junction Oregon
First Name
Greg bush
Truck Year
1991 SB
Truck Model
K30
Engine Size
5.9 Cummins 12 valve
If pulling the engine Probably have to remove hood. Unless you remove core or clip. I like doing it with at least the core support. I honestly think it's easier and faster to remove the whole clip. Something like 12 bolts?
 

Bennyt

Full Access Member
Joined
May 17, 2019
Posts
1,187
Reaction score
1,818
Location
Surprise
First Name
Ben
Truck Year
1977
Truck Model
C10
Engine Size
350
I'm going to suggest that two books be purchased/ borrowed...a Chiltons/ Haynes guide for the vehicle or similar and a how to rebuild sbc book. That way you can have the books out and available as as you do the work.
 

Bennyt

Full Access Member
Joined
May 17, 2019
Posts
1,187
Reaction score
1,818
Location
Surprise
First Name
Ben
Truck Year
1977
Truck Model
C10
Engine Size
350
Delete
 

mxer147

83 K20, 350 vortec, 465, 208, 14/10, 4.10, 33s
Joined
Feb 8, 2023
Posts
597
Reaction score
2,159
Location
Colorado
First Name
Jack
Truck Year
1983
Truck Model
k20
Engine Size
350
Yea, remove the water pump and radiator, don’t want to crash the radiator with the water pump when you remove the engine. Breaking it free of the engine mounts and tranny sometimes is a little unpredictable. You should have labeled those hoses and wires, and taken pics or it’s going to be a trial and error process during reassembly. Depending on your engine lift you could sneak it out without removing the hood. If you’re using a tree limb and come along you will have to remove the hood.
 

Rusty Nail

Full Access Member
Joined
Jan 29, 2015
Posts
10,041
Reaction score
10,130
Location
the other side of the internet
First Name
Rusty
Truck Year
1977
Truck Model
C20
Engine Size
350sbc
Do I need to remove anything off the front other than the fan blades . Do I have to remove water pump and power steer pump?
Hugo ,Hugo Hugo... :Nonono:

If you don't take out the radiator, you can look forward to buying another one. That is the favorite place for water pumps to stick...AND! If you don't remove the hood you'll likely not be able to get the engine out.

Hope this helps!
 

bucket

Super Moderator
Staff member
Super Moderator
Joined
Aug 3, 2010
Posts
30,346
Reaction score
28,030
Location
Usually not in Ohio
First Name
Andy
Truck Year
'77, '78, '79, '84, '88
Truck Model
K5 thru K30
Engine Size
350-454
I'm really curious about this low compression on a few cylinders. What was the readings for the good cylinders? Did you pay close attention to the condition of the head gasket on the bad side? Were there distorted areas in the firing rings, where the cylinders are close together? How about some pictures of the cylinder walls, both on the good side and the bad? Have you pulled any lifters to see if any are shot at the base? (Keep track of the location for each lifter, they HAVE to go back in the same location if you plan to use them again)

Basically, it would be nice to know if your engine may be completely shot or possibly repairable (on your own) before going any farther.
 

SirRobyn0

Full Access Member
Joined
Dec 6, 2019
Posts
6,755
Reaction score
11,402
Location
In the woods in Western Washington
First Name
Rob
Truck Year
1984
Truck Model
C20
Engine Size
305
Hugo ,Hugo Hugo... :Nonono:

If you don't take out the radiator, you can look forward to buying another one. That is the favorite place for water pumps to stick...AND! If you don't remove the hood you'll likely not be able to get the engine out.

Hope this helps!
Seen the ol' water pump in the radiator a few times!
 

Hugomartin

Banned
Joined
Jul 23, 2021
Posts
256
Reaction score
71
Location
Nc
First Name
Hugo
Truck Year
1987
Truck Model
V20 3/4 ton 5.7 350 suburban
Engine Size
350
Yea, remove the water pump and radiator, don’t want to crash the radiator with the water pump when you remove the engine. Breaking it free of the engine mounts and tranny sometimes is a little unpredictable. You should have labeled those hoses and wires, and taken pics or it’s going to be a trial and error process during reassembly. Depending on your engine lift you could sneak it out without removing the hood. If you’re using a tree limb and come along you will have to remove the hood.
I dont have an engine lift ill but i have plenty of treated wood around. Not sure how im gonna do this yet. I thought if i did manage to pull it that the rearest point would be the fly wheel and the trans would still be attached to the truck?
 
Status
Not open for further replies.

Forum statistics

Threads
43,984
Posts
947,119
Members
36,040
Latest member
75BEASTK20
Top