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#1
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Damaged SOMETHING with backfiring ...
Well, I finally got my 83 GTI up and running (it needed a new hall sender).
But it seems that the numerous backfires have taken their toll. I actually noticed this new problem just after one of the last backfires so I'm pretty certain it was the cause. The car now makes a pretty loud clanging noise roughly once per revolution (guessing). At first I thought it might be a hole in the exhaust pipes or something, but that's not the case. The car also has much less power. What should I look for here? Thanks and happy 4th!!!! Fred |
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#2
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Damaged SOMETHING with backfiring ...
Is the engine running smoothly?
maybe a spark plug is not firing or the wires are crossed and not in the proper firing order. "Fred Mann" > wrote in message ... > Well, I finally got my 83 GTI up and running (it needed a new hall > sender). > But it seems that the numerous backfires have taken their toll. I actually > noticed this new problem just after one of the last backfires so I'm > pretty > certain it was the cause. > The car now makes a pretty loud clanging noise roughly once per revolution > (guessing). At first I thought it might be a hole in the exhaust pipes or > something, but that's not the case. The car also has much less power. What > should I look for here? > Thanks and happy 4th!!!! > Fred > > > > > |
#3
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Damaged SOMETHING with backfiring ...
1, 4, 3, 2 is the firing order?
Have you removed the catalytic onverter? I used to go through them about every 50,000 to 80,000 miles. They would rattle and clog up with chunks falling out. I had to remove the muffler once to shake a chunk out of the muffler. Once the car is running well with no skipping, missing or backfiring you can install a new converter. I actualy might have gotten a longer life then mentioned but missfiring will trash a converter. Explosions in the wrong place can cause premature demise. On Wed, 4 Jul 2007 22:57:52 -0500, "dave AKA vwdoc1" > wrote: >Is the engine running smoothly? >maybe a spark plug is not firing or the wires are crossed and not in the >proper firing order. > > >"Fred Mann" > wrote in message . .. >> Well, I finally got my 83 GTI up and running (it needed a new hall >> sender). >> But it seems that the numerous backfires have taken their toll. I actually >> noticed this new problem just after one of the last backfires so I'm >> pretty >> certain it was the cause. >> The car now makes a pretty loud clanging noise roughly once per revolution >> (guessing). At first I thought it might be a hole in the exhaust pipes or >> something, but that's not the case. The car also has much less power. What >> should I look for here? >> Thanks and happy 4th!!!! >> Fred >> >> >> >> >> > |
#4
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Damaged SOMETHING with backfiring ...
While I've no experience with this particular engine, I doubt that's the
correct firing order. Every 4 I've ever worked on has been 1-3-4-2. But by all means, look it up rather than relying on Jim's memory or mine. Jim Behning wrote: > 1, 4, 3, 2 is the firing order? > <snip> JRE |
#5
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Damaged SOMETHING with backfiring ...
On Wed, 4 Jul 2007 20:24:08 -0400, "Fred Mann" > wrote:
>Well, I finally got my 83 GTI up and running (it needed a new hall sender). >But it seems that the numerous backfires have taken their toll. I actually >noticed this new problem just after one of the last backfires so I'm pretty >certain it was the cause. >The car now makes a pretty loud clanging noise roughly once per revolution >(guessing). At first I thought it might be a hole in the exhaust pipes or >something, but that's not the case. The car also has much less power. What >should I look for here? >Thanks and happy 4th!!!! >Fred > > > > > Backfired and now low power sure sounds like a blocked exhaust, as Jim said. |
#6
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Damaged SOMETHING with backfiring ...
On Jul 5, 8:14 am, JRE > wrote:
> While I've no experience with this particular engine, I doubt that's the > correct firing order. Every 4 I've ever worked on has been 1-3-4-2. > But by all means, look it up rather than relying on Jim's memory or mine. > > Jim Behning wrote: > > 1, 4, 3, 2 is the firing order? > > <snip> > > JRE it's 1,3,4,2 just replaced the distrib. in my 85. md |
#7
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Damaged SOMETHING with backfiring ...
Jim,
WATER-cooled and not AIR-cooled! I see what you are more familar with! ;-) I try to remember when redoing plug wires, but there are times when.......... lol -- later, dave (One out of many daves) "JRE" > wrote in message ... > While I've no experience with this particular engine, I doubt that's the > correct firing order. Every 4 I've ever worked on has been 1-3-4-2. But > by all means, look it up rather than relying on Jim's memory or mine. > > Jim Behning wrote: >> 1, 4, 3, 2 is the firing order? >> > <snip> > > JRE |
#8
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Damaged SOMETHING with backfiring ...
Exciting new data!:
Well, I pulled each plug wire with the engine running, and found that the noise comes from cylinder #2. The noise occurrs with each spark (I checked with a timing gun). Where does this leave me? Sounds expensive. |
#9
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Damaged SOMETHING with backfiring ...
JRE wrote:
> While I've no experience with this particular engine, I doubt that's the > correct firing order. Every 4 I've ever worked on has been 1-3-4-2. But > by all means, look it up rather than relying on Jim's memory or mine. > > Jim Behning wrote: >> 1, 4, 3, 2 is the firing order? >> > <snip> > > JRE Note: I should have said "inline 4," and noted that some of them have been VW's. I have also infrequently worked on horizontally opposed 4's but don't recall their firing orders and whether they differ. JRE |
#10
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Damaged SOMETHING with backfiring ...
In rec.autos.makers.vw.watercooled, Fred Mann wrote:
>Exciting new data!: > >Well, I pulled each plug wire with the engine running, and found that the >noise comes from cylinder #2. >The noise occurrs with each spark (I checked with a timing gun). >Where does this leave me? Sounds expensive. > When you pulled number 2 plug wire, what changed? The "loud clanging noise" stopped, got louder, or what? |
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