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DavidSweden |
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#1
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Member ![]() ![]() Group: Members Posts: 481 Joined: 8-June 14 From: Sweden Member No.: 17,452 Region Association: Scandinavia ![]() |
Well having repaired the jacking point, floor and other parts I was looking forward to driving my car during the short Swedish summer...but no (IMG:style_emoticons/default/headbang.gif) (IMG:style_emoticons/default/headbang.gif)
I was driving along merrily when suddenly I hear a noise that made me think of bad exhaust header, there was also a slight loss of power. Back at the garage I got under the car and removed the tins under 3/4 thats where the noise was coming from, no sign of exhaust header leakage. The noise is really bad, the only other thing i can think of is head gasket but I cant see anything. The engine a 2.0 CG was rebuilt last year (by me) and I did use head gaskets, the engine has done< 1000 km since the rebuild If members have any ideas about how to go about diagnosing this problem then please let me know, thanks |
ChrisFoley |
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#2
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I am Tangerine Racing ![]() ![]() ![]() ![]() ![]() Group: Members Posts: 7,981 Joined: 29-January 03 From: Bolton, CT Member No.: 209 Region Association: None ![]() ![]() |
Check the spark plugs for one that came out.
Also check the air injection ports, although a missing plug in an air injection port shouldn't affect running - just make bad noise. |
Mark Henry |
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#3
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that's what I do! ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() Group: Members Posts: 20,065 Joined: 27-December 02 From: Port Hope, Ontario Member No.: 26 Region Association: Canada ![]() |
Bad head gasket makes a whistling or a mouse on steroids "squeak-squeak" noise.
Shit load of noise is a blown out sparkplug. Valve adjuster way out of whack, real tight or way loose is a dropped or sunken seat. |
DavidSweden |
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#4
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Member ![]() ![]() Group: Members Posts: 481 Joined: 8-June 14 From: Sweden Member No.: 17,452 Region Association: Scandinavia ![]() |
Check the spark plugs for one that came out. Also check the air injection ports, although a missing plug in an air injection port shouldn't affect running - just make bad noise. Sparkplugs are ok, the air injection ports were plunged with NPT plugs. If one of these has worked its way loose it'll mean dropping the engine but they were screwed in pretty hard Bad head gasket makes a whistling or a mouse on steroids "squeak-squeak" noise. Shit load of noise is a blown out sparkplug. Valve adjuster way out of whack, real tight or way loose is a dropped or sunken seat. There is a shit load of noise, no mouse on steroids. I guess a leak down or compression test is in order? (IMG:style_emoticons/default/confused24.gif) |
Mark Henry |
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#5
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that's what I do! ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() Group: Members Posts: 20,065 Joined: 27-December 02 From: Port Hope, Ontario Member No.: 26 Region Association: Canada ![]() |
NPT plugs? those are metric threads.
You can't stick a probe in to see if they are still there? |
DavidSweden |
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#6
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Member ![]() ![]() Group: Members Posts: 481 Joined: 8-June 14 From: Sweden Member No.: 17,452 Region Association: Scandinavia ![]() |
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ThePaintedMan |
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#7
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Advanced Member ![]() ![]() ![]() ![]() Group: Members Posts: 3,887 Joined: 6-September 11 From: St. Petersburg, FL Member No.: 13,527 Region Association: South East States ![]() ![]() |
Before you go through the trouble of a compression and/or leakdown test, I would go ahead and pull the valve cover off. If it's making that much noise, you'll probably have some visual evidence of the problem in the valvetrain.
But of course, if you find a missing or loose spark plug, then you'll already know what the problem is. |
r_towle |
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#8
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Custom Member ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() Group: Members Posts: 24,705 Joined: 9-January 03 From: Taxachusetts Member No.: 124 Region Association: North East States ![]() ![]() |
Did you weld up the head tins?
The injection ports should be visible....unless they are covered now.... |
era vulgaris |
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#9
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J is for Genius ![]() ![]() ![]() Group: Members Posts: 983 Joined: 10-November 13 From: Raleigh, NC Member No.: 16,629 Region Association: South East States ![]() |
Have you checked the intake manifold gaskets for a vacuum leak?
I had an intake gasket fail on me earlier this year while driving. Made the most god awful noise along with a significant loss of power. |
DavidSweden |
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#10
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Member ![]() ![]() Group: Members Posts: 481 Joined: 8-June 14 From: Sweden Member No.: 17,452 Region Association: Scandinavia ![]() |
Check the spark plugs for one that came out. Also check the air injection ports, although a missing plug in an air injection port shouldn't affect running - just make bad noise. Problem solved! I would like to give a big thank you to everyone who helped. Chris hit the nail on the head when he suggested taking a look at the air injection ports, I don't think I would have thought of that myself. One of the plugs had come loose. I didn't have a metric Allen key so I just pushed it in, now shes purring like a kitten. Surprising that so much noise can come from such a small hole...no joke intended |
Mark Henry |
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#11
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that's what I do! ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() Group: Members Posts: 20,065 Joined: 27-December 02 From: Port Hope, Ontario Member No.: 26 Region Association: Canada ![]() |
Surprising that so much noise can come from such a small hole... I take it you don't have kids... (IMG:style_emoticons/default/dry.gif) |
BeatNavy |
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#12
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Certified Professional Scapegoat ![]() ![]() ![]() ![]() Group: Members Posts: 2,951 Joined: 26-February 14 From: Easton, MD Member No.: 17,042 Region Association: MidAtlantic Region ![]() ![]() |
Surprising that so much noise can come from such a small hole... I take it you don't have kids... (IMG:style_emoticons/default/dry.gif) Nice (IMG:style_emoticons/default/smile.gif) |
Kansas 914 |
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#13
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Advanced Member ![]() ![]() ![]() ![]() Group: Members Posts: 2,999 Joined: 1-March 03 From: Durango, Colorado Member No.: 373 Region Association: Rocky Mountains ![]() ![]() |
Surprising that so much noise can come from such a small hole... I take it you don't have kids... (IMG:style_emoticons/default/dry.gif) (IMG:style_emoticons/default/lol-2.gif) |
SLITS |
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#14
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"This Utah shit is HARSH!" ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() Group: Benefactors Posts: 13,602 Joined: 22-February 04 From: SoCal Mountains ... Member No.: 1,696 Region Association: None ![]() ![]() |
I used 3/8" NPT pipe caps to plug the air injection tubes. One came off in the middle of the mile long tunnel going into Zion Nat'l Park. It sounded like a war zone. Slightly less loud than 3 kids Mike.
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