i helped a friend co sign for a car?now i want to buy a house and the lender is telling me i need 12 months of checks proving im not making the payments for that car...are all lenders like that or just certain ones....and how long does it take for it to show up on ur credit report....thanksJuly 02 2009 - Rialto00YesReport a ProblemProblemSelect oneOffensive contentIrrelevant contentSpam (pure self-promotion)OtherDetailsYour emailPlease enter a valid email address.Submit CancelContent flaggedWe will review this content. Thanks for helping make the site more useful to everyone. To learn more, read Zillow's Good Neighbor Policy.We're sorry. This service is temporarily unavailable. Please come back later and try again.