Honda Prelude Forum

Hey guys,
I'm a newbie to this forum and I've gotten stumped on this one. I need to replace the heater blower motor on the 1990 Si 4WS B21a1 that I drive everyday. I've removed the glove box, unbolted the heater blower housing and the evaporator case and I still can't get enough slack to remove the blower housing or drop the blower motor out of the bottom. I'm sure that someone has been here before. I'd appreciate some advice. Today, I put it back together so that I can drive it to work tomorrow. Thanks in advance. "Older doesn't mean dead yet" "LOVE MY LUDE"

Official 3rd gen Resource Thread

Check out the service manuals.

I know in my fourth gen manual its got complete instructions on removal and replacement.

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1993 BB1-H22A1 VTEC
Member's Ride

Thanks....I was hoping some of you guys had an easy solution.......I checked two different service manuals and they just said to remove the bolts....Duh!.. can you imagine.......thanks.."LOVE MY LUDE"

Haha, sorry it wasn't much help. If I knew I'd help but mines a 93... good luck though man, if all else fails just bolt it back up and try again another day.

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1993 BB1-H22A1 VTEC
Member's Ride

Thanks for the reply. I've got her bolted back up and I'll give It a stab later. "LOVE MY LUDE"

you will have to reclaim the feon first. Remove the dashboard makes everything even easier.
Heater to the left, Evaporator (black box in the middle), blower motor to the right



then unbolt the evaporator next. it has (2) "L" shaped brackets with a total of 2 screws (phillps-head) each.
then you have (3) 10 mm head bolts that attach it to the fire wall.
You'll have to unhook some plumbing from inside the engine bay.
once you get the evap out of the way, the blower motor will be easy to access.
I'm thinking it's held in with 2 bolts (not sure). 10 mm also.

Thanks guessman.......I had the evaporator core out this summer replacing the expansion valve, so, I was really hoping that it wouldn't have to come out again. But you have confirmed what I had already thought. Thanks for the good picture and accomodating reply even though it wasn't what I wanted to hear...lol "Older doesn't mean dead yet" LOVE MY LUDE

No problem at all. I'm in the process on putting my Lude back together and I just happen to be at that part and had to put all of that back in.

Good luck