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Vacuum leak
My Jeep just developed a vacuum leak... a high pitched squeal only at idle
after it heats up. I have look and checked hoses but have not found it. I saw a friend (on another vehicle) use ether, and look for increased idle to find a leak (but never found it). Is there another method? -- JimG 80' CJ-7 258 CID 35" BFG MT on 15x10 Centerlines D44 Rear, Dana 30 Front. SOA 4.56 Gears, LockRight F&R Dana 300 w/4:1 & Currie twin sticks Warn X8000i w/ dual batteries |
Re: Vacuum leak
Try spraying carb cleaner, fuel injector cleaner, or WD-40 at the vacuum
hoses and their connections. Either will cause the engine rpm to change when it gets sucked into the engine through the leak you just sprayed. Jerry -- Jerry Bransford To email, remove 'me' from my email address KC6TAY, PP-ASEL See the Geezer Jeep at http://members.cox.net/jerrypb/ "JimG" <jimg@cj7_2muchspam.com> wrote in message news:Op2Ib.36736$s03.20779@news02.roc.ny... > My Jeep just developed a vacuum leak... a high pitched squeal only at idle > after it heats up. I have look and checked hoses but have not found it. I > saw a friend (on another vehicle) use ether, and look for increased idle to > find a leak (but never found it). Is there another method? > > -- > JimG > 80' CJ-7 258 CID > 35" BFG MT on 15x10 Centerlines > D44 Rear, Dana 30 Front. SOA > 4.56 Gears, LockRight F&R > Dana 300 w/4:1 & Currie twin sticks > Warn X8000i w/ dual batteries > > |
Re: Vacuum leak
Try spraying carb cleaner, fuel injector cleaner, or WD-40 at the vacuum
hoses and their connections. Either will cause the engine rpm to change when it gets sucked into the engine through the leak you just sprayed. Jerry -- Jerry Bransford To email, remove 'me' from my email address KC6TAY, PP-ASEL See the Geezer Jeep at http://members.cox.net/jerrypb/ "JimG" <jimg@cj7_2muchspam.com> wrote in message news:Op2Ib.36736$s03.20779@news02.roc.ny... > My Jeep just developed a vacuum leak... a high pitched squeal only at idle > after it heats up. I have look and checked hoses but have not found it. I > saw a friend (on another vehicle) use ether, and look for increased idle to > find a leak (but never found it). Is there another method? > > -- > JimG > 80' CJ-7 258 CID > 35" BFG MT on 15x10 Centerlines > D44 Rear, Dana 30 Front. SOA > 4.56 Gears, LockRight F&R > Dana 300 w/4:1 & Currie twin sticks > Warn X8000i w/ dual batteries > > |
Re: Vacuum leak
Try spraying carb cleaner, fuel injector cleaner, or WD-40 at the vacuum
hoses and their connections. Either will cause the engine rpm to change when it gets sucked into the engine through the leak you just sprayed. Jerry -- Jerry Bransford To email, remove 'me' from my email address KC6TAY, PP-ASEL See the Geezer Jeep at http://members.cox.net/jerrypb/ "JimG" <jimg@cj7_2muchspam.com> wrote in message news:Op2Ib.36736$s03.20779@news02.roc.ny... > My Jeep just developed a vacuum leak... a high pitched squeal only at idle > after it heats up. I have look and checked hoses but have not found it. I > saw a friend (on another vehicle) use ether, and look for increased idle to > find a leak (but never found it). Is there another method? > > -- > JimG > 80' CJ-7 258 CID > 35" BFG MT on 15x10 Centerlines > D44 Rear, Dana 30 Front. SOA > 4.56 Gears, LockRight F&R > Dana 300 w/4:1 & Currie twin sticks > Warn X8000i w/ dual batteries > > |
Re: Vacuum leak
Retorque the manifold bolts.
God Bless America, ßill O|||||||O mailto:-------------------- http://www.----------.com/ JimG wrote: > > My Jeep just developed a vacuum leak... a high pitched squeal only at idle > after it heats up. I have look and checked hoses but have not found it. I > saw a friend (on another vehicle) use ether, and look for increased idle to > find a leak (but never found it). Is there another method? > > -- > JimG > 80' CJ-7 258 CID > 35" BFG MT on 15x10 Centerlines > D44 Rear, Dana 30 Front. SOA > 4.56 Gears, LockRight F&R > Dana 300 w/4:1 & Currie twin sticks > Warn X8000i w/ dual batteries |
Re: Vacuum leak
Retorque the manifold bolts.
God Bless America, ßill O|||||||O mailto:-------------------- http://www.----------.com/ JimG wrote: > > My Jeep just developed a vacuum leak... a high pitched squeal only at idle > after it heats up. I have look and checked hoses but have not found it. I > saw a friend (on another vehicle) use ether, and look for increased idle to > find a leak (but never found it). Is there another method? > > -- > JimG > 80' CJ-7 258 CID > 35" BFG MT on 15x10 Centerlines > D44 Rear, Dana 30 Front. SOA > 4.56 Gears, LockRight F&R > Dana 300 w/4:1 & Currie twin sticks > Warn X8000i w/ dual batteries |
Re: Vacuum leak
Retorque the manifold bolts.
God Bless America, ßill O|||||||O mailto:-------------------- http://www.----------.com/ JimG wrote: > > My Jeep just developed a vacuum leak... a high pitched squeal only at idle > after it heats up. I have look and checked hoses but have not found it. I > saw a friend (on another vehicle) use ether, and look for increased idle to > find a leak (but never found it). Is there another method? > > -- > JimG > 80' CJ-7 258 CID > 35" BFG MT on 15x10 Centerlines > D44 Rear, Dana 30 Front. SOA > 4.56 Gears, LockRight F&R > Dana 300 w/4:1 & Currie twin sticks > Warn X8000i w/ dual batteries |
Re: Vacuum leak
And the carb base bolts while there...
Mike 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 88 Cherokee 235 BFG AT's "L.W.(ßill) ------ III" wrote: > > Retorque the manifold bolts. > God Bless America, ßill O|||||||O > mailto:-------------------- http://www.----------.com/ > > JimG wrote: > > > > My Jeep just developed a vacuum leak... a high pitched squeal only at idle > > after it heats up. I have look and checked hoses but have not found it. I > > saw a friend (on another vehicle) use ether, and look for increased idle to > > find a leak (but never found it). Is there another method? > > > > -- > > JimG > > 80' CJ-7 258 CID > > 35" BFG MT on 15x10 Centerlines > > D44 Rear, Dana 30 Front. SOA > > 4.56 Gears, LockRight F&R > > Dana 300 w/4:1 & Currie twin sticks > > Warn X8000i w/ dual batteries |
Re: Vacuum leak
And the carb base bolts while there...
Mike 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 88 Cherokee 235 BFG AT's "L.W.(ßill) ------ III" wrote: > > Retorque the manifold bolts. > God Bless America, ßill O|||||||O > mailto:-------------------- http://www.----------.com/ > > JimG wrote: > > > > My Jeep just developed a vacuum leak... a high pitched squeal only at idle > > after it heats up. I have look and checked hoses but have not found it. I > > saw a friend (on another vehicle) use ether, and look for increased idle to > > find a leak (but never found it). Is there another method? > > > > -- > > JimG > > 80' CJ-7 258 CID > > 35" BFG MT on 15x10 Centerlines > > D44 Rear, Dana 30 Front. SOA > > 4.56 Gears, LockRight F&R > > Dana 300 w/4:1 & Currie twin sticks > > Warn X8000i w/ dual batteries |
Re: Vacuum leak
And the carb base bolts while there...
Mike 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 88 Cherokee 235 BFG AT's "L.W.(ßill) ------ III" wrote: > > Retorque the manifold bolts. > God Bless America, ßill O|||||||O > mailto:-------------------- http://www.----------.com/ > > JimG wrote: > > > > My Jeep just developed a vacuum leak... a high pitched squeal only at idle > > after it heats up. I have look and checked hoses but have not found it. I > > saw a friend (on another vehicle) use ether, and look for increased idle to > > find a leak (but never found it). Is there another method? > > > > -- > > JimG > > 80' CJ-7 258 CID > > 35" BFG MT on 15x10 Centerlines > > D44 Rear, Dana 30 Front. SOA > > 4.56 Gears, LockRight F&R > > Dana 300 w/4:1 & Currie twin sticks > > Warn X8000i w/ dual batteries |
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