How to remove and install the Ignition Control Module on the intake manifold for increased cooling on Volvo 740?

To remove the power stages that are located on the intake manifold for more cooling, remove the negative battery cable and the harness from the power stage(s), first. For each power stage being removed, remove the two bolts holding the power stage to the intake manifold and remove the power stage(s). For installation, return the power stage(s) to its position and tighten the retaining bolts, reconnect the harness to the power stage(s) and finally reconnect the negative battery cable.

What steps are involved in removing and installing the ignition control module, power stage, and ignition coil on the REX-1 and EZ129K systems on Volvo 940?

The power stage on the REX-1 and EZ129K systems is combined with the ignition coil into one unit. Starting with the EZ115K and EZ116K systems, you should start by disconnecting the negative battery cable and disconnecting the power stage connector. Next, take the mounting bolt(s) off of the retaining bracket and the ignition coil and power stage should be removed. To install, put the coil and power stage back in place and tighten retaining bolts, plug in power stage connector and reattach negative battery cable.

Genuine Volvo Ignition Control Module

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8 Ignition Control Modules found

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Volvo Ignition Module Part Number: 3545006
$51.17 MSRP: $59.91
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Product Specifications
- Other Name: Diagnostic Unit; Ignition Control Module; Control Module, Ignition Module
Fits the following Volvo Models:
- 940 | 1994-1995 | Base | 4 Cyl 2.3 L GAS
- C70 | 1998-2004 | Base | 5 Cyl 2.3 L GAS, 5 Cyl 2.4 L GAS
- S70 | 1998-2000 | AWD, Base, GLT, GLT SE, T5 | 5 Cyl 2.3 L GAS, 5 Cyl 2.4 L GAS
- S90 | 1998 | Base | 6 Cyl 2.9 L GAS
- V70 | 1998-2000 | AWD, Base, GLT, GLT SE, R, R AWD, T5, X/C AWD, X/C AWD SE | 5 Cyl 2.3 L GAS, 5 Cyl 2.4 L GAS
- V90 | 1998 | Base | 6 Cyl 2.9 L GAS
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Volvo Power Module Part Number: 31441262
$198.31 MSRP: $258.22
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Product Specifications
- Other Name: Power Unit; Ignition Control Module; Power Module
Fits the following Volvo Models:
- 960 | 1992-1997 | Base | 6 Cyl 2.9 L GAS
- S90 | 1998 | Base | 6 Cyl 2.9 L GAS
- V90 | 1998 | Base | 6 Cyl 2.9 L GAS
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Volvo Ignition Module Part Number: 3501850
$1616.68 MSRP: $2446.55
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Product Specifications
- Other Name: Control Unit; Ignition Control Module; Computer, Control Module, Ignition Module
Fits the following Volvo Models:
- 760 | 1987-1990 | GLE | 6 Cyl 2.8 L GAS
- 780 | 1987-1990 | Base | 6 Cyl 2.8 L GAS
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Volvo Ignition Module Part Number: 3507696
$499.08 MSRP: $594.14
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Product Specifications
- Other Name: Control Module; Ignition Control Module; Ignition Module
Fits the following Volvo Models:
- 740 | 1991-1992 | Base | 4 Cyl 2.3 L GAS
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Volvo Ignition Module Part Number: 1346469
$522.80 MSRP: $622.38
You Save: $99.58 (16%)
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Product Specifications
- Other Name: Control Unit; Ignition Control Module; Computer, Control Module, Ignition Module
Fits the following Volvo Models:
- 740 | 1987-1990 | Base, GLE | 4 Cyl 2.3 L GAS
- 760 | 1985-1990 | Base, GLE | 4 Cyl 2.3 L GAS
- 780 | 1989-1990 | Base | 4 Cyl 2.3 L GAS
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Volvo Ignition Module Part Number: 8601330
$600.63 MSRP: $725.88
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Product Specifications
- Other Name: Control Module; Ignition Control Module; Ignition Module
Fits the following Volvo Models:
- 850 | 1994-1997 | GLT, R, T-5, T-5R, Turbo | 5 Cyl 2.3 L GAS, 5 Cyl 2.4 L GAS
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Volvo Ignition Module Part Number: 3545007
$24.68 MSRP: $28.90
You Save: $4.22 (15%)
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Product Specifications
- Other Name: Diagnostic Unit; Ignition Control Module; Ignition Module
Fits the following Volvo Models:
- 940 | 1994-1995 | T | 4 Cyl 2.3 L GAS
- 960 | 1994-1997 | Base | 6 Cyl 2.9 L GAS
- S90 | 1998 | Base | 6 Cyl 2.9 L GAS
- V90 | 1998 | Base | 6 Cyl 2.9 L GAS
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Volvo Ignition Module Part Number: 3501921
$188.57 MSRP: $224.49
You Save: $35.92 (16%)
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Product Specifications
- Other Name: Power Unit; Ignition Control Module; Ignition Module
Fits the following Volvo Models:
- 740 | 1985-1986 | GLE | 4 Cyl 2.3 L GAS
- 760 | 1985-1986 | Base, GLE | 4 Cyl 2.3 L GAS

Volvo Ignition Control Module Parts and Q&A

Ignition Module
1346469
Q: How to remove and install the Ignition Control Module on the intake manifold for increased cooling on Volvo 740?
A:
To remove the power stages that are located on the intake manifold for more cooling, remove the negative battery cable and the harness from the power stage(s), first. For each power stage being removed, remove the two bolts holding the power stage to the intake manifold and remove the power stage(s). For installation, return the power stage(s) to its position and tighten the retaining bolts, reconnect the harness to the power stage(s) and finally reconnect the negative battery cable.
Ignition Module
3545006
Q: What steps are involved in removing and installing the ignition control module, power stage, and ignition coil on the REX-1 and EZ129K systems on Volvo 940?
A:
The power stage on the REX-1 and EZ129K systems is combined with the ignition coil into one unit. Starting with the EZ115K and EZ116K systems, you should start by disconnecting the negative battery cable and disconnecting the power stage connector. Next, take the mounting bolt(s) off of the retaining bracket and the ignition coil and power stage should be removed. To install, put the coil and power stage back in place and tighten retaining bolts, plug in power stage connector and reattach negative battery cable.