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Old 01-26-2021, 06:15 PM   #1
Nickagriffin
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Default What improved between 1988 and 1992 (240s)

Hey guys, I got into an accident in my '92 sedan and got an '88 wagon to be the new platform. What changed in those four years? I know it went from LH2.2 to 2.4, but I'm going standalone anyways. Are the brake calipers any better on the later years? The '88 doesn't have abs but the '92 did.
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Old 01-26-2021, 06:58 PM   #2
dl242gt
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Brake pads and calipers are all the same. Just an ABS version of the front calipers for the ABS car. The air bag was added in 90 across the board. Your 88 has the much nicer steering wheel. The dash cluster got a matte finish in 89 instead of the satin finish the 88 has. There isn't much difference just small changes like the ones I mentioned.
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Old 01-26-2021, 07:13 PM   #3
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Priced when up, quality not so much. One or two bells and whistles, not much.
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Old 01-26-2021, 07:18 PM   #4
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Bigger connecting rods. Flush glass front and rear. Power windows are standard on US models. A few changes all of which make for a much nicer car.
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Old 01-26-2021, 08:34 PM   #5
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The AC system gets a decent update after '89 too. The only parts I have ever really cared about were non-biodegradable harnesses and LH2.4, but I prefer the older looks with more chrome. That leaves me with '89s only if I'm being that picky. lol
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Old 01-26-2021, 08:56 PM   #6
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Thanks for the replies everyone, the old '88 has power windows too so probably won't be swapping that much over. Does the speedo work the same for both years? I'm asking bc t5 swap is incoming
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Old 01-26-2021, 10:41 PM   #7
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If you mean is the speedo driven by the rear axle, thus, no problem swapping transmissions, the answer is yes.
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Old 01-26-2021, 10:42 PM   #8
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Quote:
Originally Posted by volvowagoon View Post
The AC system gets a decent update after '89 too. The only parts I have ever really cared about were non-biodegradable harnesses and LH2.4, but I prefer the older looks with more chrome. That leaves me with '89s only if I'm being that picky. lol
That is the most significant difference. OP, if you get to keep your 1992, you'll want to hang on to the AC system for a swap.
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Old 01-26-2021, 10:45 PM   #9
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Originally Posted by 2manyturbos View Post
That is the most significant difference. OP, if you get to keep your 1992, you'll want to hang on to the AC system for a swap.
just out of curiosity ... what was the change to the AC system ?
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Old 01-26-2021, 10:52 PM   #10
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just out of curiosity ... what was the change to the AC system ?
Absolutely everything. It is a completely different system/design. There is no thermocouple controlling the system via an expansion valve. It uses a orifice tube and it basically full on the entire time. You control the temperature by adding heat with the heater control lever. It is a higher BTU unit compared to the older system. IOW, it will actually cool the car down fairly well.
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Old 01-27-2021, 04:30 PM   #11
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Was 92 R12 still then 92 r134a?
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Old 01-27-2021, 05:51 PM   #12
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Quote:
Originally Posted by nel621 View Post
Was 92 R12 still then 92 r134a?
only 93 were r134a
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Old 01-31-2021, 04:50 PM   #13
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A few other differences:
The 1992 models have less of the chrome trim. Those feature all black outside door handles and the front grill with the black surround.

The instrument cluster has the mat finish as dl242gt stated, the speedometer is different as well in the 92 and 93 240s. They utilize 4 pins to connect into the circuit board while the earlier electric speedos use only 3 pins.

The cruise control set ups are different as the 1989-93 240s have a 3rd gen system with a vacuum pump mounted to the upper firewall next to the driver side hood hinge.

The 1990s 240s, Volvo started using different connectors behind the dash in places like the stereo and cruise control stalk behind the dash.

Suspension wise, starting sometime in the 1989 year, spacers were added into the bottom of the strut tubes. Bilsteins will not fit correctly into these cars with these integrated spacers.
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Old 01-31-2021, 05:01 PM   #14
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Quote:
Originally Posted by polaris View Post
A few other differences:
The 1992 models have less of the chrome trim. Those feature all black outside door handles and the front grill with the black surround.

The instrument cluster has the mat finish as dl242gt stated, the speedometer is different as well in the 92 and 93 240s. They utilize 4 pins to connect into the circuit board while the earlier electric speedos use only 3 pins.

The cruise control set ups are different as the 1989-93 240s have a 3rd gen system with a vacuum pump mounted to the upper firewall next to the driver side hood hinge.

The 1990s 240s, Volvo started using different connectors behind the dash in places like the stereo and cruise control stalk behind the dash.

Suspension wise, starting sometime in the 1989 year, spacers were added into the bottom of the strut tubes. Bilsteins will not fit correctly into these cars with these integrated spacers.
I would say that the spacer part may be a bit of a crap shoot. I am not sure if they were just irregular in fitting them as they used an existing stock of parts or whether people just removed them over time to fit new struts.
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Old 01-31-2021, 05:12 PM   #15
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1992 was kind of an oddball year... Was the only year where every 240 got a thicker front sway bar and thicker front springs, and sedans got a thicker rear sway bar. Also, all cars, except for the 240GL sedan got turbo trim. Basically, the 244s became the equivalent of the 1978 242GT, suspension-wise, minus the lower chassis braces and reinforcement plates on the struts. The 245 had the GT front sway and springs, but the stock 16mm rear bar.
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Old 02-01-2021, 06:44 PM   #16
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That's so odd! That probably explains why even when stock my '92 sedan was so much stiffer and more responsive than my '88 wagon. Does anyone know the purpose of those plates on the struts that were added? Should I put my '92 struts in the '88?

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1992 was kind of an oddball year... Was the only year where every 240 got a thicker front sway bar and thicker front springs, and sedans got a thicker rear sway bar. Also, all cars, except for the 240GL sedan got turbo trim. Basically, the 244s became the equivalent of the 1978 242GT, suspension-wise, minus the lower chassis braces and reinforcement plates on the struts. The 245 had the GT front sway and springs, but the stock 16mm rear bar.
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Old 02-01-2021, 08:23 PM   #17
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Quote:
Originally Posted by Nickagriffin View Post
That's so odd! That probably explains why even when stock my '92 sedan was so much stiffer and more responsive than my '88 wagon. Does anyone know the purpose of those plates on the struts that were added? Should I put my '92 struts in the '88?
I am not sure if this is correct but if you are running a stiffer suspension then you could possibly bend or blow out the stops of the strut towers. The plates are a 1/4 of steel that get sandwiched between the strut mount and the tower.

I put them into my '89 when upgrading the suspension.

Last edited by spock345; 02-02-2021 at 03:37 PM..
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Old 02-02-2021, 06:17 AM   #18
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I do not have a 240 but if you can get removable plates I would use them. If welded, I would not. Check what your 92 has.
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Old 02-02-2021, 06:45 AM   #19
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A 1992 240 won't have reinforcement plates on it. Best to get the 15A reinforcement plates anyway. Better design than the 1978-79 242GT plates.
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Old 02-05-2021, 09:53 PM   #20
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Good to know about the 92 MY suspension changes - I only thought the front sway bar was a bit thicker. I recently found a nice M47 sedan with relatively low miles (140K) to use as a daily. I have a set of 15A plates somewhere. Car has original shocks/struts so they are due for replacement, but other than some bounciness it does handle pretty well. Time for some Koni's I suppose.
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Old 02-06-2021, 05:41 PM   #21
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Quote:
Originally Posted by Nickagriffin View Post
That's so odd! That probably explains why even when stock my '92 sedan was so much stiffer and more responsive than my '88 wagon. Does anyone know the purpose of those plates on the struts that were added? Should I put my '92 struts in the '88?
I saw this once if this helps

1991 240 Front springs 13.8 mm, sway bar 19 mm
1992 240 Front springs 14.2 mm, sway bar 21 mm

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