91Accord CB7 AT running on 3 cyl
Thread Starter
Joined: Sep 2005
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From: aloha, oregon, usa
91Accord CB7 AT running on 3 cyl
Background on this issue at https://honda-tech.com/zerothread?id=1827986
Well here is the latest.
I found a coupon for a free fall vehicle inspection and so i dropped it off last night. I just got off the phone with the guy and he told me that they did a compression test and my #1 was at 185psi / #2 180psi / #3 10psi / #4 185psi. They suggested an enigine overhaul costing $5200. So since the car is problable worth 1/2 that at most, what should i do? Is there a way to tell exactly what is wrong and what needs to be fixed? Is there a cheaper way to do it myself? If so, can someone please point me to a good step-by-step tutorial on how to do it?
Thanks guys for all your help,
DjTrex
Well here is the latest.
I found a coupon for a free fall vehicle inspection and so i dropped it off last night. I just got off the phone with the guy and he told me that they did a compression test and my #1 was at 185psi / #2 180psi / #3 10psi / #4 185psi. They suggested an enigine overhaul costing $5200. So since the car is problable worth 1/2 that at most, what should i do? Is there a way to tell exactly what is wrong and what needs to be fixed? Is there a cheaper way to do it myself? If so, can someone please point me to a good step-by-step tutorial on how to do it?
Thanks guys for all your help,
DjTrex
Honda-Tech Member
Joined: Dec 2001
Posts: 2,174
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Re: 91Accord CB7 AT running on 3 cyl (DjTrex)
You could investigate further as to why #3 is so low. Could be broken rings, scored cylinder wall, or burned valve. A "leak down test" would narrow the cause. None of the fixes are cheap, however.
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Joined: Oct 2003
Posts: 3,702
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From: Fayettenam, Ar, US
Re: 91Accord CB7 AT running on 3 cyl (DjTrex)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by DjTrex »</TD></TR><TR><TD CLASS="quote">leakdown test?</TD></TR></TABLE>
yes you can rotate the engine to where the cylinder valves are closed and then put compressed air into the cylinder. Then you can listen for where the air is coming out.
yes you can rotate the engine to where the cylinder valves are closed and then put compressed air into the cylinder. Then you can listen for where the air is coming out.
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