Well I decided to tackle the replacement of my intake manifold gasket this past weekend, NOT. Geesh, I'm a fairly decent mechanic, but this made me a little nervous. Was not crazy about staying bent over the engine for copious amount of hours. Now with the new daughter, there is no way I'll have time. So I'm wondering, what would be an average price to have this replaced excluding parts? I've gotten a quote of about 250, labor only. I thought that was freaking ridiculous.
4.3l intake manifold gasket
- Thread starter Schmoe
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TBI or CPI?
I just had the intake manifold gaskets replaced on my 98 5.7L and it cost me $192 which included the gasket set, antifreeze, and RTV silicon. I provided the oil and filter. This was the lowest price I found. One dealer quoted me $390, another dealer $600. An independent shop quoted me $800. Call around and ask each place what are you getting for the money. The independent shop's $800 included seperating the upper and lower intakes and cleaning out the carbon they said would be there.
I could have done the job myself but didn't really want too and for $192 it was worth it for me to let someone else mess with it. Good luck.
Wayne
I could have done the job myself but didn't really want too and for $192 it was worth it for me to let someone else mess with it. Good luck.
Wayne
Schmoe......nothing to it, but to do it. You have never done an intake change and you are thinking that it is much more complicated than what it is. It is a two hour job (and the better part of a day to cure the sealant). The TBI setups are virtually the same as a carb. If you still want to pay someone to do it, then anything over 100 is highway robbery.
$100 is not even 2 hours labor in most shops.
Most labor manuals list it at about 3.5 hours
If you guys don't what to pay to have it done then quit bitchin' about price and do it yourself.
CRW
CRW......3.5 hours is about right if a case of beer and a pack of cigarettes is involved. I can easily swap intakes on a carbed SBC in 2 hours (if the case of beer isn't involved
), and I am nowhere close to being a professional (although I have done it about 50 times).
1.
Disconnect the negative battery cable. Drain the cooling system.
2.
Remove the air cleaner assembly.
Mark the relationship of the distributor and rotor for proper reassembly
3.
Remove the distributor.
4.
Disconnect the accelerator and cruise control cables with their brackets.
5.
Remove the rear air conditioner compressor bracket, the alternator bracket and the idler pulley bracket at the manifold.
6.
Disconnect all electrical connections and vacuum lines from the manifold. Remove the EGR valve if necessary.
7.
Disconnect the fuel line at the intake manifold.
8.
Remove the heater pipe.
9.
Disconnect the upper radiator hose and pull it off.
10.
Tag and disconnect the power brake vacuum pipe and the EGR vacuum line.
11.
Tag and disconnect the coil wires and if necessary remove the coil.
12.
Remove the sensors and bracket on the right side. Disconnect the wiring harness on the right side and position it out of the way.
Mark the location of the intake manifold studs for proper reassembly
13.
Remove the intake manifold bolts. Remove the manifold and the gaskets. Remember to reinstall the O-ring between the intake manifold and timing chain cover during assembly, if so equipped.
To install:
Before installing the intake manifold, be sure that the gasket surfaces are thoroughly clean.
14.
Use plastic gasket retainers to prevent the manifold gasket from slipping out of place, if so equipped. Coat the front and rear sealing surfaces with a 0.19 in. (5mm) bead of RTV sealant. Extend the bead approximately 1/2 in. (13mm) down each head to help retain the gaskets.
15.
Install the manifold and the gaskets. Remember to reinstall the O-ring between the intake manifold and timing chain cover, if so equipped.
16.
Install the intake manifold bolts and tighten them to 35 ft. lbs. (48 Nm) in the sequence shown.
17.
Connect the coil wires. Install the sensors and bracket on the right side. Connect the wiring harness.
18.
Connect the power brake vacuum pipe and the EGR vacuum line.
19.
Connect the upper radiator hose.
20.
Install the heater pipe.
21.
Connect the fuel line(s).
22.
Connect all electrical connections and vacuum lines at the manifold. Install the EGR valve.
23.
Install the rear air conditioner compressor bracket, the alternator bracket and the idler pulley bracket at the manifold.
24.
Connect the accelerator and cruise control cables with their brackets.
25.
Install the distributor.
26.
Install the air cleaner assembly.
27.
Fill the cooling system.
Disconnect the negative battery cable. Drain the cooling system.
2.
Remove the air cleaner assembly.
Mark the relationship of the distributor and rotor for proper reassembly
3.
Remove the distributor.
4.
Disconnect the accelerator and cruise control cables with their brackets.
5.
Remove the rear air conditioner compressor bracket, the alternator bracket and the idler pulley bracket at the manifold.
6.
Disconnect all electrical connections and vacuum lines from the manifold. Remove the EGR valve if necessary.
7.
Disconnect the fuel line at the intake manifold.
8.
Remove the heater pipe.
9.
Disconnect the upper radiator hose and pull it off.
10.
Tag and disconnect the power brake vacuum pipe and the EGR vacuum line.
11.
Tag and disconnect the coil wires and if necessary remove the coil.
12.
Remove the sensors and bracket on the right side. Disconnect the wiring harness on the right side and position it out of the way.
Mark the location of the intake manifold studs for proper reassembly
13.
Remove the intake manifold bolts. Remove the manifold and the gaskets. Remember to reinstall the O-ring between the intake manifold and timing chain cover during assembly, if so equipped.
To install:
Before installing the intake manifold, be sure that the gasket surfaces are thoroughly clean.
14.
Use plastic gasket retainers to prevent the manifold gasket from slipping out of place, if so equipped. Coat the front and rear sealing surfaces with a 0.19 in. (5mm) bead of RTV sealant. Extend the bead approximately 1/2 in. (13mm) down each head to help retain the gaskets.
15.
Install the manifold and the gaskets. Remember to reinstall the O-ring between the intake manifold and timing chain cover, if so equipped.
16.
Install the intake manifold bolts and tighten them to 35 ft. lbs. (48 Nm) in the sequence shown.
17.
Connect the coil wires. Install the sensors and bracket on the right side. Connect the wiring harness.
18.
Connect the power brake vacuum pipe and the EGR vacuum line.
19.
Connect the upper radiator hose.
20.
Install the heater pipe.
21.
Connect the fuel line(s).
22.
Connect all electrical connections and vacuum lines at the manifold. Install the EGR valve.
23.
Install the rear air conditioner compressor bracket, the alternator bracket and the idler pulley bracket at the manifold.
24.
Connect the accelerator and cruise control cables with their brackets.
25.
Install the distributor.
26.
Install the air cleaner assembly.
27.
Fill the cooling system.
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